diff --git a/Makefile b/Makefile
index 3747d16e..8068a608 100644
--- a/Makefile
+++ b/Makefile
@@ -104,7 +104,6 @@ include ape/lib/apelib.mk			# │
 include ape/ape.mk				#─┘
 include libc/sysv/sysv.mk			#─┐
 include libc/nt/nt.mk				# ├──system
-include libc/conv/conv.mk			# │
 include libc/fmt/fmt.mk				# │
 include libc/rand/rand.mk			#─┘
 include libc/calls/calls.mk			#─┐
@@ -186,7 +185,6 @@ include test/libc/dns/test.mk
 include test/libc/rand/test.mk
 include test/libc/time/test.mk
 include test/libc/stdio/test.mk
-include test/libc/conv/test.mk
 include test/libc/release/test.mk
 include test/libc/test.mk
 include test/ape/lib/test.mk
@@ -251,7 +249,6 @@ COSMOPOLITAN_OBJECTS =		\
 	LIBC_BITS		\
 	LIBC_CALLS		\
 	LIBC_CALLS_HEFTY	\
-	LIBC_CONV		\
 	LIBC_CRYPTO		\
 	LIBC_DNS		\
 	LIBC_ELF		\
@@ -286,7 +283,6 @@ COSMOPOLITAN_HEADERS =		\
 	LIBC_ALG		\
 	LIBC_BITS		\
 	LIBC_CALLS		\
-	LIBC_CONV		\
 	LIBC_CRYPTO		\
 	LIBC_DNS		\
 	LIBC_ELF		\
diff --git a/dsp/mpeg/mpeg1.c b/dsp/mpeg/mpeg1.c
index 5b8a5e2f..d0c8a30c 100644
--- a/dsp/mpeg/mpeg1.c
+++ b/dsp/mpeg/mpeg1.c
@@ -33,7 +33,7 @@
 #include "dsp/mpeg/mpeg.h"
 #include "dsp/mpeg/video.h"
 #include "libc/bits/initializer.internal.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/log/log.h"
 #include "libc/macros.h"
 #include "libc/math.h"
diff --git a/examples/cp.c b/examples/cp.c
index bab5dd66..0a6d558f 100644
--- a/examples/cp.c
+++ b/examples/cp.c
@@ -9,8 +9,8 @@
 #endif
 #include "libc/calls/calls.h"
 #include "libc/calls/hefty/copyfile.h"
-#include "libc/conv/conv.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 #include "libc/runtime/gc.h"
 #include "libc/runtime/runtime.h"
diff --git a/examples/examples.mk b/examples/examples.mk
index 2ca26f53..5a51e2cd 100644
--- a/examples/examples.mk
+++ b/examples/examples.mk
@@ -46,7 +46,6 @@ EXAMPLES_DIRECTDEPS =						\
 	LIBC_BITS						\
 	LIBC_CALLS						\
 	LIBC_CALLS_HEFTY					\
-	LIBC_CONV						\
 	LIBC_FMT						\
 	LIBC_LOG						\
 	LIBC_LOG_ASAN						\
diff --git a/examples/findprime.c b/examples/findprime.c
index b231f312..bea266f5 100644
--- a/examples/findprime.c
+++ b/examples/findprime.c
@@ -10,7 +10,7 @@
 #include "libc/bits/bits.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/itimerval.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/limits.h"
 #include "libc/log/check.h"
 #include "libc/log/color.internal.h"
diff --git a/examples/ispell.c b/examples/ispell.c
index 95d8e9be..4524d17a 100644
--- a/examples/ispell.c
+++ b/examples/ispell.c
@@ -12,7 +12,7 @@
 #include "libc/alg/critbit0.h"
 #include "libc/bits/bits.h"
 #include "libc/calls/calls.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/macros.h"
diff --git a/examples/nesemu1.cc b/examples/nesemu1.cc
index f7b81f5c..ec658610 100644
--- a/examples/nesemu1.cc
+++ b/examples/nesemu1.cc
@@ -18,8 +18,8 @@
 #include "libc/calls/hefty/spawn.h"
 #include "libc/calls/struct/itimerval.h"
 #include "libc/calls/struct/winsize.h"
-#include "libc/conv/conv.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 #include "libc/inttypes.h"
 #include "libc/log/check.h"
diff --git a/examples/peek.c b/examples/peek.c
index 7d368786..3b293dff 100644
--- a/examples/peek.c
+++ b/examples/peek.c
@@ -17,14 +17,16 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/runtime/interruptiblecall.h"
 #include "libc/stdio/stdio.h"
 #include "libc/sysv/consts/sig.h"
 
 struct InterruptibleCall icall;
 
-static intptr_t peek(intptr_t *addr) { return *addr; }
+static intptr_t peek(intptr_t *addr) {
+  return *addr;
+}
 
 int main(int argc, char *argv[]) {
   int i;
diff --git a/examples/printprimes.c b/examples/printprimes.c
index 61fafbf1..5624a98b 100644
--- a/examples/printprimes.c
+++ b/examples/printprimes.c
@@ -7,7 +7,7 @@
 │   • http://creativecommons.org/publicdomain/zero/1.0/            │
 ╚─────────────────────────────────────────────────────────────────*/
 #endif
-#include "libc/conv/itoa.h"
+#include "libc/fmt/itoa.h"
 #include "libc/math.h"
 #include "libc/stdio/stdio.h"
 
diff --git a/examples/subprocess.c b/examples/subprocess.c
index 42fa2862..7ad61210 100644
--- a/examples/subprocess.c
+++ b/examples/subprocess.c
@@ -10,7 +10,7 @@
 #include "libc/alg/alg.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/hefty/spawn.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/limits.h"
 #include "libc/log/check.h"
 #include "libc/runtime/gc.h"
diff --git a/examples/unbourne.c b/examples/unbourne.c
index d4ee6c23..c3c28735 100644
--- a/examples/unbourne.c
+++ b/examples/unbourne.c
@@ -120,9 +120,9 @@
 #include "libc/calls/struct/stat.h"
 #include "libc/calls/struct/tms.h"
 #include "libc/calls/termios.h"
-#include "libc/conv/conv.h"
 #include "libc/dce.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 #include "libc/limits.h"
 #include "libc/log/log.h"
diff --git a/libc/bits/abs.c b/libc/bits/abs.c
index d4ad144c..b3735735 100644
--- a/libc/bits/abs.c
+++ b/libc/bits/abs.c
@@ -17,7 +17,9 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/macros.h"
 
-int(abs)(int x) { return ABS(x); }
+int(abs)(int x) {
+  return ABS(x);
+}
diff --git a/libc/calls/calls.mk b/libc/calls/calls.mk
index b946b4e6..3fb19d13 100644
--- a/libc/calls/calls.mk
+++ b/libc/calls/calls.mk
@@ -39,15 +39,14 @@ LIBC_CALLS_A_CHECKS =					\
 
 LIBC_CALLS_A_DIRECTDEPS =				\
 	LIBC_FMT					\
-	LIBC_STR					\
-	LIBC_RAND					\
-	LIBC_CONV					\
-	LIBC_STUBS					\
 	LIBC_NEXGEN32E					\
-	LIBC_NT_NTDLL					\
 	LIBC_NT_ADVAPI32				\
 	LIBC_NT_KERNEL32				\
 	LIBC_NT_KERNELBASE				\
+	LIBC_NT_NTDLL					\
+	LIBC_RAND					\
+	LIBC_STR					\
+	LIBC_STUBS					\
 	LIBC_SYSV_CALLS					\
 	LIBC_SYSV
 
diff --git a/libc/calls/clock_gettime.c b/libc/calls/clock_gettime.c
index 659827fa..24e2a65f 100644
--- a/libc/calls/clock_gettime.c
+++ b/libc/calls/clock_gettime.c
@@ -23,8 +23,8 @@
 #include "libc/calls/internal.h"
 #include "libc/calls/struct/timespec.h"
 #include "libc/calls/struct/timeval.h"
-#include "libc/conv/conv.h"
 #include "libc/dce.h"
+#include "libc/fmt/conv.h"
 #include "libc/mach.h"
 #include "libc/nt/struct/filetime.h"
 #include "libc/nt/struct/systemtime.h"
diff --git a/libc/calls/commandv.c b/libc/calls/commandv.c
index 2bf22f78..666c1440 100644
--- a/libc/calls/commandv.c
+++ b/libc/calls/commandv.c
@@ -20,9 +20,9 @@
 #include "libc/bits/progn.internal.h"
 #include "libc/bits/safemacros.internal.h"
 #include "libc/calls/calls.h"
-#include "libc/conv/conv.h"
 #include "libc/dce.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/nt/ntdll.h"
 #include "libc/runtime/runtime.h"
 #include "libc/str/str.h"
diff --git a/libc/calls/fstat-nt.c b/libc/calls/fstat-nt.c
index 5b53e3e6..f2cf25a0 100644
--- a/libc/calls/fstat-nt.c
+++ b/libc/calls/fstat-nt.c
@@ -20,7 +20,7 @@
 #include "libc/bits/safemacros.internal.h"
 #include "libc/calls/internal.h"
 #include "libc/calls/struct/stat.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/nt/enum/fileflagandattributes.h"
 #include "libc/nt/enum/fileinfobyhandleclass.h"
 #include "libc/nt/enum/filetype.h"
diff --git a/libc/calls/getpriority-nt.c b/libc/calls/getpriority-nt.c
index 8e1d1ca3..e35d9f30 100644
--- a/libc/calls/getpriority-nt.c
+++ b/libc/calls/getpriority-nt.c
@@ -21,7 +21,7 @@
 #include "libc/calls/calls.h"
 #include "libc/calls/internal.h"
 #include "libc/calls/kntprioritycombos.internal.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/nexgen32e/ffs.h"
 #include "libc/nt/enum/processcreationflags.h"
 #include "libc/nt/enum/threadpriority.h"
diff --git a/libc/calls/getrusage-nt.c b/libc/calls/getrusage-nt.c
index 5e136b88..08ead423 100644
--- a/libc/calls/getrusage-nt.c
+++ b/libc/calls/getrusage-nt.c
@@ -20,7 +20,7 @@
 #include "libc/calls/calls.h"
 #include "libc/calls/internal.h"
 #include "libc/calls/struct/rusage.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/nt/accounting.h"
 #include "libc/nt/runtime.h"
 #include "libc/nt/thread.h"
diff --git a/libc/calls/getsetpriority-nt.c b/libc/calls/getsetpriority-nt.c
index 9ee54583..269c495a 100644
--- a/libc/calls/getsetpriority-nt.c
+++ b/libc/calls/getsetpriority-nt.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/calls.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/sysv/consts/prio.h"
 #include "libc/sysv/errfuns.h"
 
diff --git a/libc/calls/gettimeofday-nt.c b/libc/calls/gettimeofday-nt.c
index 87e20a49..f017211d 100644
--- a/libc/calls/gettimeofday-nt.c
+++ b/libc/calls/gettimeofday-nt.c
@@ -19,7 +19,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/internal.h"
 #include "libc/calls/struct/timeval.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/nt/struct/filetime.h"
 #include "libc/nt/struct/systemtime.h"
 #include "libc/nt/synchronization.h"
diff --git a/libc/calls/hefty/fork-nt.c b/libc/calls/hefty/fork-nt.c
index e5bd3ad9..f25667bc 100644
--- a/libc/calls/hefty/fork-nt.c
+++ b/libc/calls/hefty/fork-nt.c
@@ -22,7 +22,7 @@
 #include "libc/calls/hefty/ntspawn.h"
 #include "libc/calls/hefty/spawn.h"
 #include "libc/calls/internal.h"
-#include "libc/conv/itoa.h"
+#include "libc/fmt/itoa.h"
 #include "libc/nt/enum/filemapflags.h"
 #include "libc/nt/enum/pageflags.h"
 #include "libc/nt/enum/startf.h"
diff --git a/libc/calls/hefty/hefty.mk b/libc/calls/hefty/hefty.mk
index 40e4d1c1..4be740ad 100644
--- a/libc/calls/hefty/hefty.mk
+++ b/libc/calls/hefty/hefty.mk
@@ -37,7 +37,6 @@ LIBC_CALLS_HEFTY_A_CHECKS =				\
 LIBC_CALLS_HEFTY_A_DIRECTDEPS =				\
 	LIBC_ALG					\
 	LIBC_CALLS					\
-	LIBC_CONV					\
 	LIBC_FMT					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
diff --git a/libc/calls/hefty/mkntcmdline.c b/libc/calls/hefty/mkntcmdline.c
index b764f945..a7e413db 100644
--- a/libc/calls/hefty/mkntcmdline.c
+++ b/libc/calls/hefty/mkntcmdline.c
@@ -20,7 +20,7 @@
 #include "libc/alg/arraylist2.internal.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/hefty/ntspawn.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/macros.h"
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/hascharacter.internal.h"
diff --git a/libc/calls/hefty/mkntenvblock.c b/libc/calls/hefty/mkntenvblock.c
index ce8e7207..8e11ba79 100644
--- a/libc/calls/hefty/mkntenvblock.c
+++ b/libc/calls/hefty/mkntenvblock.c
@@ -19,7 +19,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/alg/arraylist2.internal.h"
 #include "libc/calls/hefty/ntspawn.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/macros.h"
 #include "libc/mem/mem.h"
 #include "libc/str/oldutf16.internal.h"
diff --git a/libc/calls/hefty/ntspawn.c b/libc/calls/hefty/ntspawn.c
index 238b7bf5..eecddfc0 100644
--- a/libc/calls/hefty/ntspawn.c
+++ b/libc/calls/hefty/ntspawn.c
@@ -24,7 +24,7 @@
 #include "libc/calls/calls.h"
 #include "libc/calls/hefty/ntspawn.h"
 #include "libc/calls/internal.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/nt/enum/processcreationflags.h"
 #include "libc/nt/process.h"
 #include "libc/nt/runtime.h"
diff --git a/libc/calls/hefty/spawnve-sysv.c b/libc/calls/hefty/spawnve-sysv.c
index cdeaa362..fddcd83b 100644
--- a/libc/calls/hefty/spawnve-sysv.c
+++ b/libc/calls/hefty/spawnve-sysv.c
@@ -22,8 +22,8 @@
 #include "libc/calls/hefty/internal.h"
 #include "libc/calls/hefty/spawn.h"
 #include "libc/calls/internal.h"
-#include "libc/conv/conv.h"
 #include "libc/dce.h"
+#include "libc/fmt/conv.h"
 #include "libc/mem/mem.h"
 #include "libc/paths.h"
 #include "libc/runtime/runtime.h"
diff --git a/libc/calls/isdebuggerpresent.c b/libc/calls/isdebuggerpresent.c
index 0f025bea..c923902c 100644
--- a/libc/calls/isdebuggerpresent.c
+++ b/libc/calls/isdebuggerpresent.c
@@ -21,8 +21,8 @@
 #include "libc/bits/safemacros.internal.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/internal.h"
-#include "libc/conv/conv.h"
 #include "libc/dce.h"
+#include "libc/fmt/conv.h"
 #include "libc/log/log.h"
 #include "libc/nexgen32e/vendor.internal.h"
 #include "libc/nt/struct/teb.h"
diff --git a/libc/calls/nice.c b/libc/calls/nice.c
index e60b3968..237b743a 100644
--- a/libc/calls/nice.c
+++ b/libc/calls/nice.c
@@ -19,7 +19,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/bits/safemacros.internal.h"
 #include "libc/calls/calls.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/sysv/consts/prio.h"
 
 static int clamp(int p) {
diff --git a/libc/calls/openanon.c b/libc/calls/openanon.c
index 1d3dd007..72c213ae 100644
--- a/libc/calls/openanon.c
+++ b/libc/calls/openanon.c
@@ -20,10 +20,10 @@
 #include "libc/assert.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/internal.h"
-#include "libc/conv/conv.h"
-#include "libc/conv/isslash.internal.h"
-#include "libc/conv/itoa.h"
 #include "libc/dce.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/isslash.internal.h"
+#include "libc/fmt/itoa.h"
 #include "libc/nt/createfile.h"
 #include "libc/nt/enum/accessmask.h"
 #include "libc/nt/enum/creationdisposition.h"
diff --git a/libc/calls/setitimer-nt.c b/libc/calls/setitimer-nt.c
index 6362d93c..d9ac482a 100644
--- a/libc/calls/setitimer-nt.c
+++ b/libc/calls/setitimer-nt.c
@@ -20,8 +20,8 @@
 #include "libc/calls/calls.h"
 #include "libc/calls/internal.h"
 #include "libc/calls/struct/itimerval.h"
-#include "libc/conv/conv.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/log/check.h"
 #include "libc/nexgen32e/nexgen32e.h"
 #include "libc/nt/files.h"
diff --git a/libc/calls/utimensat-nt.c b/libc/calls/utimensat-nt.c
index 9faa6735..a91f3e7f 100644
--- a/libc/calls/utimensat-nt.c
+++ b/libc/calls/utimensat-nt.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/internal.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/nt/createfile.h"
 #include "libc/nt/enum/accessmask.h"
 #include "libc/nt/enum/creationdisposition.h"
diff --git a/libc/calls/wait4-nt.c b/libc/calls/wait4-nt.c
index 45efcb92..b5735186 100644
--- a/libc/calls/wait4-nt.c
+++ b/libc/calls/wait4-nt.c
@@ -20,7 +20,7 @@
 #include "libc/calls/calls.h"
 #include "libc/calls/internal.h"
 #include "libc/calls/struct/rusage.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/macros.h"
 #include "libc/nt/accounting.h"
 #include "libc/nt/enum/status.h"
diff --git a/libc/conv/conv.mk b/libc/conv/conv.mk
deleted file mode 100644
index 6d7f9f60..00000000
--- a/libc/conv/conv.mk
+++ /dev/null
@@ -1,85 +0,0 @@
-#-*-mode:makefile-gmake;indent-tabs-mode:t;tab-width:8;coding:utf-8-*-┐
-#───vi: set et ft=make ts=8 tw=8 fenc=utf-8 :vi───────────────────────┘
-#
-# SYNOPSIS
-#
-#   Cosmopolitan Data Conversions
-#
-# DESCRIPTION
-#
-#   This package provides functions that convert between data types.
-#   It's intended to be lower level than the memory and formatting
-#   libraries.
-
-PKGS += LIBC_CONV
-
-LIBC_CONV_ARTIFACTS += LIBC_CONV_A
-LIBC_CONV = $(LIBC_CONV_A_DEPS) $(LIBC_CONV_A)
-LIBC_CONV_A = o/$(MODE)/libc/conv/conv.a
-LIBC_CONV_A_FILES := $(wildcard libc/conv/*)
-LIBC_CONV_A_HDRS = $(filter %.h,$(LIBC_CONV_A_FILES))
-LIBC_CONV_A_SRCS_S = $(filter %.S,$(LIBC_CONV_A_FILES))
-LIBC_CONV_A_SRCS_C = $(filter %.c,$(LIBC_CONV_A_FILES))
-
-LIBC_CONV_A_SRCS =				\
-	$(LIBC_CONV_A_SRCS_S)			\
-	$(LIBC_CONV_A_SRCS_C)
-
-LIBC_CONV_A_OBJS =				\
-	$(LIBC_CONV_A_SRCS:%=o/$(MODE)/%.zip.o)	\
-	$(LIBC_CONV_A_SRCS_S:%.S=o/$(MODE)/%.o)	\
-	$(LIBC_CONV_A_SRCS_C:%.c=o/$(MODE)/%.o)
-
-LIBC_CONV_A_CHECKS =				\
-	$(LIBC_CONV_A).pkg			\
-	$(LIBC_CONV_A_HDRS:%=o/$(MODE)/%.ok)
-
-LIBC_CONV_A_DIRECTDEPS =			\
-	LIBC_NEXGEN32E				\
-	LIBC_STUBS				\
-	LIBC_STR				\
-	LIBC_TINYMATH				\
-	LIBC_SYSV				\
-	THIRD_PARTY_COMPILER_RT
-
-LIBC_CONV_A_DEPS :=				\
-	$(call uniq,$(foreach x,$(LIBC_CONV_A_DIRECTDEPS),$($(x))))
-
-$(LIBC_CONV_A):	libc/conv/			\
-		$(LIBC_CONV_A).pkg		\
-		$(LIBC_CONV_A_OBJS)
-
-$(LIBC_CONV_A).pkg:				\
-		$(LIBC_CONV_A_OBJS)		\
-		$(foreach x,$(LIBC_CONV_A_DIRECTDEPS),$($(x)_A).pkg)
-
-o/$(MODE)/libc/conv/dosdatetimetounix.o		\
-o/$(MODE)/libc/conv/itoa64radix10.greg.o	\
-o/$(MODE)/libc/conv/timetofiletime.o		\
-o/$(MODE)/libc/conv/filetimetotime.o		\
-o/$(MODE)/libc/conv/timespectofiletime.o	\
-o/$(MODE)/libc/conv/filetimetotimespec.o	\
-o/$(MODE)/libc/conv/filetimetotimeval.o:	\
-		OVERRIDE_CFLAGS +=		\
-			-O3
-
-o/$(MODE)/libc/conv/itoa64radix10.greg.o	\
-o/$(MODE)/libc/conv/itoa128radix10.greg.o:	\
-		OVERRIDE_CFLAGS +=		\
-			-fwrapv
-
-$(LIBC_CONV_A_OBJS):				\
-		OVERRIDE_CFLAGS +=		\
-			$(NO_MAGIC)
-
-LIBC_CONV_LIBS = $(foreach x,$(LIBC_CONV_ARTIFACTS),$($(x)))
-LIBC_CONV_SRCS = $(foreach x,$(LIBC_CONV_ARTIFACTS),$($(x)_SRCS))
-LIBC_CONV_HDRS = $(foreach x,$(LIBC_CONV_ARTIFACTS),$($(x)_HDRS))
-LIBC_CONV_BINS = $(foreach x,$(LIBC_CONV_ARTIFACTS),$($(x)_BINS))
-LIBC_CONV_CHECKS = $(foreach x,$(LIBC_CONV_ARTIFACTS),$($(x)_CHECKS))
-LIBC_CONV_OBJS = $(foreach x,$(LIBC_CONV_ARTIFACTS),$($(x)_OBJS))
-LIBC_CONV_TESTS = $(foreach x,$(LIBC_CONV_ARTIFACTS),$($(x)_TESTS))
-$(LIBC_CONV_OBJS): $(BUILD_FILES) libc/conv/conv.mk
-
-.PHONY: o/$(MODE)/libc/conv
-o/$(MODE)/libc/conv: $(LIBC_CONV_CHECKS)
diff --git a/libc/conv/isslash.internal.h b/libc/conv/isslash.internal.h
deleted file mode 100644
index 63f7a15c..00000000
--- a/libc/conv/isslash.internal.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef COSMOPOLITAN_LIBC_CONV_ISSLASH_H_
-#define COSMOPOLITAN_LIBC_CONV_ISSLASH_H_
-#if !(__ASSEMBLER__ + __LINKER__ + 0)
-
-forceinline bool isslash(int c) { return c == '/' || c == '\\'; }
-
-#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
-#endif /* COSMOPOLITAN_LIBC_CONV_ISSLASH_H_ */
diff --git a/libc/dns/getaddrinfo.c b/libc/dns/getaddrinfo.c
index dfeb175b..04aa346f 100644
--- a/libc/dns/getaddrinfo.c
+++ b/libc/dns/getaddrinfo.c
@@ -19,10 +19,10 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/bits/safemacros.internal.h"
 #include "libc/calls/calls.h"
-#include "libc/conv/conv.h"
 #include "libc/dns/dns.h"
 #include "libc/dns/hoststxt.h"
 #include "libc/dns/resolvconf.h"
+#include "libc/fmt/conv.h"
 #include "libc/mem/mem.h"
 #include "libc/sock/sock.h"
 #include "libc/str/str.h"
diff --git a/libc/conv/abs.c b/libc/fmt/abs.c
similarity index 98%
rename from libc/conv/abs.c
rename to libc/fmt/abs.c
index 553bef67..2ee77469 100644
--- a/libc/conv/abs.c
+++ b/libc/fmt/abs.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 
 int(abs)(int x) {
   return 0 < x ? x : -x;
diff --git a/libc/conv/atoi.c b/libc/fmt/atoi.c
similarity index 97%
rename from libc/conv/atoi.c
rename to libc/fmt/atoi.c
index 153ab7ae..11af3ba2 100644
--- a/libc/conv/atoi.c
+++ b/libc/fmt/atoi.c
@@ -17,8 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
-#include "libc/conv/strlol.internal.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/strlol.internal.h"
 #include "libc/limits.h"
 
 /**
diff --git a/libc/conv/atol.c b/libc/fmt/atol.c
similarity index 96%
rename from libc/conv/atol.c
rename to libc/fmt/atol.c
index 578c5350..c60026bc 100644
--- a/libc/conv/atol.c
+++ b/libc/fmt/atol.c
@@ -17,8 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
-#include "libc/conv/strlol.internal.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/strlol.internal.h"
 #include "libc/limits.h"
 
 long atol(const char *s) {
diff --git a/libc/conv/atoll.c b/libc/fmt/atoll.c
similarity index 96%
rename from libc/conv/atoll.c
rename to libc/fmt/atoll.c
index 3349fe61..54422193 100644
--- a/libc/conv/atoll.c
+++ b/libc/fmt/atoll.c
@@ -17,8 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
-#include "libc/conv/strlol.internal.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/strlol.internal.h"
 #include "libc/limits.h"
 
 long long atoll(const char *s) {
diff --git a/libc/conv/basename.c b/libc/fmt/basename.c
similarity index 97%
rename from libc/conv/basename.c
rename to libc/fmt/basename.c
index 0e3b3f51..36b01d00 100644
--- a/libc/conv/basename.c
+++ b/libc/fmt/basename.c
@@ -17,8 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
-#include "libc/conv/isslash.internal.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/isslash.internal.h"
 #include "libc/str/str.h"
 
 /**
diff --git a/libc/conv/basename_n.c b/libc/fmt/basename_n.c
similarity index 97%
rename from libc/conv/basename_n.c
rename to libc/fmt/basename_n.c
index 1800523b..d9bb3973 100644
--- a/libc/conv/basename_n.c
+++ b/libc/fmt/basename_n.c
@@ -17,8 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
-#include "libc/conv/isslash.internal.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/isslash.internal.h"
 
 /**
  * Returns pointer to last filename component in path.
diff --git a/libc/conv/conv.h b/libc/fmt/conv.h
similarity index 97%
rename from libc/conv/conv.h
rename to libc/fmt/conv.h
index 6f419b64..0b568cfe 100644
--- a/libc/conv/conv.h
+++ b/libc/fmt/conv.h
@@ -1,5 +1,5 @@
-#ifndef COSMOPOLITAN_LIBC_CONV_CONV_H_
-#define COSMOPOLITAN_LIBC_CONV_CONV_H_
+#ifndef COSMOPOLITAN_LIBC_FMT_CONV_H_
+#define COSMOPOLITAN_LIBC_FMT_CONV_H_
 #include "libc/calls/struct/timespec.h"
 #include "libc/calls/struct/timeval.h"
 #include "libc/nt/struct/filetime.h"
@@ -103,4 +103,4 @@ intmax_t __imaxabs(intmax_t) libcesque pureconst;
 
 COSMOPOLITAN_C_END_
 #endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
-#endif /* COSMOPOLITAN_LIBC_CONV_CONV_H_ */
+#endif /* COSMOPOLITAN_LIBC_FMT_CONV_H_ */
diff --git a/libc/conv/convertmicros.c b/libc/fmt/convertmicros.c
similarity index 98%
rename from libc/conv/convertmicros.c
rename to libc/fmt/convertmicros.c
index 305782a5..4f4b731d 100644
--- a/libc/conv/convertmicros.c
+++ b/libc/fmt/convertmicros.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/struct/timeval.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/time/time.h"
 
 long convertmicros(const struct timeval *tv, long tick) {
diff --git a/libc/conv/dirname.c b/libc/fmt/dirname.c
similarity index 98%
rename from libc/conv/dirname.c
rename to libc/fmt/dirname.c
index f0c7a051..56bd8b34 100644
--- a/libc/conv/dirname.c
+++ b/libc/fmt/dirname.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/str/str.h"
 
 #define ISDELIM(c) (c == '/' || c == '\\' || c == '.')
diff --git a/libc/conv/div.c b/libc/fmt/div.c
similarity index 95%
rename from libc/conv/div.c
rename to libc/fmt/div.c
index 9321feb8..cbdd3060 100644
--- a/libc/conv/div.c
+++ b/libc/fmt/div.c
@@ -17,6 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 
-div_t(div)(int num, int den) { return div(num, den); }
+div_t(div)(int num, int den) {
+  return div(num, den);
+}
diff --git a/libc/conv/dosdatetimetounix.c b/libc/fmt/dosdatetimetounix.c
similarity index 99%
rename from libc/conv/dosdatetimetounix.c
rename to libc/fmt/dosdatetimetounix.c
index 5415e76e..26bf0e9b 100644
--- a/libc/conv/dosdatetimetounix.c
+++ b/libc/fmt/dosdatetimetounix.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/macros.h"
 #include "libc/time/time.h"
 
diff --git a/libc/conv/filetimetotime.c b/libc/fmt/filetimetotime.c
similarity index 98%
rename from libc/conv/filetimetotime.c
rename to libc/fmt/filetimetotime.c
index de05c401..6ca69b6b 100644
--- a/libc/conv/filetimetotime.c
+++ b/libc/fmt/filetimetotime.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/nt/struct/filetime.h"
 
 int64_t filetimetotime(struct NtFileTime ft) {
diff --git a/libc/conv/filetimetotimespec.c b/libc/fmt/filetimetotimespec.c
similarity index 98%
rename from libc/conv/filetimetotimespec.c
rename to libc/fmt/filetimetotimespec.c
index e218d4f8..f68ba278 100644
--- a/libc/conv/filetimetotimespec.c
+++ b/libc/fmt/filetimetotimespec.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/calls.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/nt/struct/filetime.h"
 
 /**
diff --git a/libc/conv/filetimetotimeval.c b/libc/fmt/filetimetotimeval.c
similarity index 98%
rename from libc/conv/filetimetotimeval.c
rename to libc/fmt/filetimetotimeval.c
index 64596ec6..2b988a39 100644
--- a/libc/conv/filetimetotimeval.c
+++ b/libc/fmt/filetimetotimeval.c
@@ -19,7 +19,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/timeval.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/nt/struct/filetime.h"
 
 void FileTimeToTimeVal(struct timeval *tv, struct NtFileTime ft) {
diff --git a/libc/fmt/fmt.mk b/libc/fmt/fmt.mk
index 53f5d164..5789db9d 100644
--- a/libc/fmt/fmt.mk
+++ b/libc/fmt/fmt.mk
@@ -34,12 +34,12 @@ LIBC_FMT_A_CHECKS =				\
 	$(LIBC_FMT_A_HDRS:%=o/$(MODE)/%.ok)
 
 LIBC_FMT_A_DIRECTDEPS =				\
-	LIBC_STUBS				\
-	LIBC_STR				\
-	LIBC_TINYMATH				\
 	LIBC_NEXGEN32E				\
 	LIBC_NT_KERNELBASE			\
+	LIBC_STR				\
+	LIBC_STUBS				\
 	LIBC_SYSV				\
+	LIBC_TINYMATH				\
 	THIRD_PARTY_COMPILER_RT
 
 LIBC_FMT_A_DEPS :=				\
@@ -57,6 +57,21 @@ $(LIBC_FMT_A_OBJS):				\
 		OVERRIDE_CFLAGS +=		\
 			-fno-jump-tables
 
+o/$(MODE)/libc/fmt/dosdatetimetounix.o		\
+o/$(MODE)/libc/fmt/itoa64radix10.greg.o		\
+o/$(MODE)/libc/fmt/timetofiletime.o		\
+o/$(MODE)/libc/fmt/filetimetotime.o		\
+o/$(MODE)/libc/fmt/timespectofiletime.o		\
+o/$(MODE)/libc/fmt/filetimetotimespec.o		\
+o/$(MODE)/libc/fmt/filetimetotimeval.o:		\
+		OVERRIDE_CFLAGS +=		\
+			-O3
+
+o/$(MODE)/libc/fmt/itoa64radix10.greg.o		\
+o/$(MODE)/libc/fmt/itoa128radix10.greg.o:	\
+		OVERRIDE_CFLAGS +=		\
+			-fwrapv
+
 LIBC_FMT_LIBS = $(foreach x,$(LIBC_FMT_ARTIFACTS),$($(x)))
 LIBC_FMT_SRCS = $(foreach x,$(LIBC_FMT_ARTIFACTS),$($(x)_SRCS))
 LIBC_FMT_HDRS = $(foreach x,$(LIBC_FMT_ARTIFACTS),$($(x)_HDRS))
diff --git a/libc/conv/imaxabs.c b/libc/fmt/imaxabs.c
similarity index 98%
rename from libc/conv/imaxabs.c
rename to libc/fmt/imaxabs.c
index da364479..04d1ed4b 100644
--- a/libc/conv/imaxabs.c
+++ b/libc/fmt/imaxabs.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/macros.h"
 
 intmax_t(imaxabs)(intmax_t x) {
diff --git a/libc/conv/imaxabs.thunk.S b/libc/fmt/imaxabs.thunk.S
similarity index 100%
rename from libc/conv/imaxabs.thunk.S
rename to libc/fmt/imaxabs.thunk.S
diff --git a/libc/conv/isabspath.c b/libc/fmt/isabspath.c
similarity index 97%
rename from libc/conv/isabspath.c
rename to libc/fmt/isabspath.c
index b5521d4e..a9375849 100644
--- a/libc/conv/isabspath.c
+++ b/libc/fmt/isabspath.c
@@ -17,8 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
-#include "libc/conv/isslash.internal.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/isslash.internal.h"
 
 /**
  * Returns true if pathname could be absolute on any known platform.
diff --git a/libc/fmt/isslash.internal.h b/libc/fmt/isslash.internal.h
new file mode 100644
index 00000000..4ee549e4
--- /dev/null
+++ b/libc/fmt/isslash.internal.h
@@ -0,0 +1,10 @@
+#ifndef COSMOPOLITAN_LIBC_FMT_ISSLASH_H_
+#define COSMOPOLITAN_LIBC_FMT_ISSLASH_H_
+#if !(__ASSEMBLER__ + __LINKER__ + 0)
+
+forceinline bool isslash(int c) {
+  return c == '/' || c == '\\';
+}
+
+#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
+#endif /* COSMOPOLITAN_LIBC_FMT_ISSLASH_H_ */
diff --git a/libc/fmt/itoa.c b/libc/fmt/itoa.c
index dcbf0b44..bdb4929a 100644
--- a/libc/fmt/itoa.c
+++ b/libc/fmt/itoa.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 
 STATIC_YOINK("ntoa");
diff --git a/libc/conv/itoa.h b/libc/fmt/itoa.h
similarity index 92%
rename from libc/conv/itoa.h
rename to libc/fmt/itoa.h
index d5c31264..0371be9d 100644
--- a/libc/conv/itoa.h
+++ b/libc/fmt/itoa.h
@@ -1,5 +1,5 @@
-#ifndef COSMOPOLITAN_LIBC_CONV_ITOA_H_
-#define COSMOPOLITAN_LIBC_CONV_ITOA_H_
+#ifndef COSMOPOLITAN_LIBC_FMT_ITOA_H_
+#define COSMOPOLITAN_LIBC_FMT_ITOA_H_
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 COSMOPOLITAN_C_START_
 /*───────────────────────────────────────────────────────────────────────────│─╗
@@ -29,4 +29,4 @@ size_t uint128toarray_radix10(uint128_t, char *);
 
 COSMOPOLITAN_C_END_
 #endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
-#endif /* COSMOPOLITAN_LIBC_CONV_ITOA_H_ */
+#endif /* COSMOPOLITAN_LIBC_FMT_ITOA_H_ */
diff --git a/libc/conv/itoa128radix10.greg.c b/libc/fmt/itoa128radix10.greg.c
similarity index 97%
rename from libc/conv/itoa128radix10.greg.c
rename to libc/fmt/itoa128radix10.greg.c
index a9d7e328..be7bc580 100644
--- a/libc/conv/itoa128radix10.greg.c
+++ b/libc/fmt/itoa128radix10.greg.c
@@ -18,8 +18,8 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/alg/reverse.h"
-#include "libc/conv/conv.h"
-#include "libc/conv/itoa.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/itoa.h"
 #include "libc/limits.h"
 
 uint128_t __udivmodti4(uint128_t, uint128_t, uint128_t *);
diff --git a/libc/conv/itoa64.c b/libc/fmt/itoa64.c
similarity index 97%
rename from libc/conv/itoa64.c
rename to libc/fmt/itoa64.c
index 78086bca..e1ccd86d 100644
--- a/libc/conv/itoa64.c
+++ b/libc/fmt/itoa64.c
@@ -18,8 +18,8 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/alg/reverse.h"
-#include "libc/conv/conv.h"
-#include "libc/conv/itoa.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/itoa.h"
 
 noinline size_t uint64toarray(uint64_t i, char *a, int r) {
   size_t j;
diff --git a/libc/conv/itoa64fixed16.greg.c b/libc/fmt/itoa64fixed16.greg.c
similarity index 98%
rename from libc/conv/itoa64fixed16.greg.c
rename to libc/fmt/itoa64fixed16.greg.c
index 00601c50..e87f8b9e 100644
--- a/libc/conv/itoa64fixed16.greg.c
+++ b/libc/fmt/itoa64fixed16.greg.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/assert.h"
-#include "libc/conv/itoa.h"
+#include "libc/fmt/itoa.h"
 
 size_t uint64toarray_fixed16(uint64_t x, char b[hasatleast 17], uint8_t k) {
   int i;
diff --git a/libc/conv/itoa64radix10.greg.c b/libc/fmt/itoa64radix10.greg.c
similarity index 97%
rename from libc/conv/itoa64radix10.greg.c
rename to libc/fmt/itoa64radix10.greg.c
index 137761dc..4134c527 100644
--- a/libc/conv/itoa64radix10.greg.c
+++ b/libc/fmt/itoa64radix10.greg.c
@@ -18,8 +18,8 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/alg/reverse.h"
-#include "libc/conv/conv.h"
-#include "libc/conv/itoa.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/itoa.h"
 #include "libc/limits.h"
 
 /**
diff --git a/libc/conv/itoa64radix16.greg.c b/libc/fmt/itoa64radix16.greg.c
similarity index 97%
rename from libc/conv/itoa64radix16.greg.c
rename to libc/fmt/itoa64radix16.greg.c
index 36157db2..bd665724 100644
--- a/libc/conv/itoa64radix16.greg.c
+++ b/libc/fmt/itoa64radix16.greg.c
@@ -17,8 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
-#include "libc/conv/itoa.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/itoa.h"
 #include "libc/macros.h"
 #include "libc/nexgen32e/bsr.h"
 
diff --git a/libc/conv/itoa64radix8.c b/libc/fmt/itoa64radix8.c
similarity index 97%
rename from libc/conv/itoa64radix8.c
rename to libc/fmt/itoa64radix8.c
index 3fb18d78..20ca1571 100644
--- a/libc/conv/itoa64radix8.c
+++ b/libc/fmt/itoa64radix8.c
@@ -18,8 +18,8 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/alg/reverse.h"
-#include "libc/conv/conv.h"
-#include "libc/conv/itoa.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/itoa.h"
 #include "libc/limits.h"
 
 /**
diff --git a/libc/conv/kmonthyearday.c b/libc/fmt/kmonthyearday.c
similarity index 100%
rename from libc/conv/kmonthyearday.c
rename to libc/fmt/kmonthyearday.c
diff --git a/libc/conv/labs.c b/libc/fmt/labs.c
similarity index 96%
rename from libc/conv/labs.c
rename to libc/fmt/labs.c
index ceded9b7..fd0fc03b 100644
--- a/libc/conv/labs.c
+++ b/libc/fmt/labs.c
@@ -17,7 +17,9 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/macros.h"
 
-long(labs)(long x) { return ABS(x); }
+long(labs)(long x) {
+  return ABS(x);
+}
diff --git a/libc/conv/ldiv.c b/libc/fmt/ldiv.c
similarity index 95%
rename from libc/conv/ldiv.c
rename to libc/fmt/ldiv.c
index 361b693c..52a341a3 100644
--- a/libc/conv/ldiv.c
+++ b/libc/fmt/ldiv.c
@@ -17,6 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 
-ldiv_t(ldiv)(long num, long den) { return ldiv(num, den); }
+ldiv_t(ldiv)(long num, long den) {
+  return ldiv(num, den);
+}
diff --git a/libc/conv/llabs.c b/libc/fmt/llabs.c
similarity index 96%
rename from libc/conv/llabs.c
rename to libc/fmt/llabs.c
index 19998f49..2ef727d5 100644
--- a/libc/conv/llabs.c
+++ b/libc/fmt/llabs.c
@@ -17,7 +17,9 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/macros.h"
 
-long long(llabs)(long long x) { return ABS(x); }
+long long(llabs)(long long x) {
+  return ABS(x);
+}
diff --git a/libc/conv/lldiv.c b/libc/fmt/lldiv.c
similarity index 94%
rename from libc/conv/lldiv.c
rename to libc/fmt/lldiv.c
index e3c3e971..9cf69271 100644
--- a/libc/conv/lldiv.c
+++ b/libc/fmt/lldiv.c
@@ -17,6 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 
-lldiv_t(lldiv)(long long num, long long den) { return lldiv(num, den); }
+lldiv_t(lldiv)(long long num, long long den) {
+  return lldiv(num, den);
+}
diff --git a/libc/conv/ltpcpy.c b/libc/fmt/ltpcpy.c
similarity index 98%
rename from libc/conv/ltpcpy.c
rename to libc/fmt/ltpcpy.c
index 52be48c2..5e9d63b9 100644
--- a/libc/conv/ltpcpy.c
+++ b/libc/fmt/ltpcpy.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/bits/bits.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 
 char *ltpcpy(char *dst, long x) {
   unsigned len = llog10(abs(x)) + 1;
diff --git a/libc/fmt/palandntoa.c b/libc/fmt/palandntoa.c
index 29cd80a5..ee4c8fee 100644
--- a/libc/fmt/palandntoa.c
+++ b/libc/fmt/palandntoa.c
@@ -25,7 +25,7 @@
 │ THE SOFTWARE.                                                                │
 └─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/assert.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/paland.inc"
 #include "libc/fmt/palandprintf.internal.h"
 
diff --git a/libc/fmt/palandprintf.c b/libc/fmt/palandprintf.c
index 9ffbd1ba..da677674 100644
--- a/libc/fmt/palandprintf.c
+++ b/libc/fmt/palandprintf.c
@@ -38,7 +38,7 @@
 #include "libc/assert.h"
 #include "libc/bits/bits.h"
 #include "libc/bits/weaken.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 #include "libc/fmt/paland.inc"
 #include "libc/fmt/palandprintf.internal.h"
diff --git a/libc/conv/rounddecimalplaces.c b/libc/fmt/rounddecimalplaces.c
similarity index 98%
rename from libc/conv/rounddecimalplaces.c
rename to libc/fmt/rounddecimalplaces.c
index 3ee5b52a..4e5628c1 100644
--- a/libc/conv/rounddecimalplaces.c
+++ b/libc/fmt/rounddecimalplaces.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/math.h"
 
 double RoundDecimalPlaces(double f, double digs, double rounder(double)) {
diff --git a/libc/conv/strlol.internal.h b/libc/fmt/strlol.internal.h
similarity index 100%
rename from libc/conv/strlol.internal.h
rename to libc/fmt/strlol.internal.h
diff --git a/libc/conv/strtoimax.c b/libc/fmt/strtoimax.c
similarity index 99%
rename from libc/conv/strtoimax.c
rename to libc/fmt/strtoimax.c
index 0c6f116c..6212ad86 100644
--- a/libc/conv/strtoimax.c
+++ b/libc/fmt/strtoimax.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/limits.h"
 #include "libc/nexgen32e/bsr.h"
 #include "libc/str/str.h"
diff --git a/libc/conv/strtol.c b/libc/fmt/strtol.c
similarity index 97%
rename from libc/conv/strtol.c
rename to libc/fmt/strtol.c
index 23280b02..cdf62a76 100644
--- a/libc/conv/strtol.c
+++ b/libc/fmt/strtol.c
@@ -17,8 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
-#include "libc/conv/strlol.internal.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/strlol.internal.h"
 #include "libc/limits.h"
 
 /**
diff --git a/libc/conv/strtoll.c b/libc/fmt/strtoll.c
similarity index 96%
rename from libc/conv/strtoll.c
rename to libc/fmt/strtoll.c
index f97c5333..7204b16e 100644
--- a/libc/conv/strtoll.c
+++ b/libc/fmt/strtoll.c
@@ -17,8 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
-#include "libc/conv/strlol.internal.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/strlol.internal.h"
 #include "libc/limits.h"
 
 long long strtoll(const char *s, char **endptr, int optional_base) {
diff --git a/libc/conv/strtonum.c b/libc/fmt/strtonum.c
similarity index 98%
rename from libc/conv/strtonum.c
rename to libc/fmt/strtonum.c
index e3874ecf..0cb40d56 100644
--- a/libc/conv/strtonum.c
+++ b/libc/fmt/strtonum.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/str/str.h"
 #include "libc/sysv/errfuns.h"
 
diff --git a/libc/conv/strtoul.c b/libc/fmt/strtoul.c
similarity index 96%
rename from libc/conv/strtoul.c
rename to libc/fmt/strtoul.c
index e0787e3f..f5da0ae5 100644
--- a/libc/conv/strtoul.c
+++ b/libc/fmt/strtoul.c
@@ -17,8 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
-#include "libc/conv/strlol.internal.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/strlol.internal.h"
 #include "libc/limits.h"
 
 unsigned long strtoul(const char *s, char **endptr, int optional_base) {
diff --git a/libc/conv/strtoull.c b/libc/fmt/strtoull.c
similarity index 96%
rename from libc/conv/strtoull.c
rename to libc/fmt/strtoull.c
index 3910f6aa..645daef3 100644
--- a/libc/conv/strtoull.c
+++ b/libc/fmt/strtoull.c
@@ -17,8 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
-#include "libc/conv/strlol.internal.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/strlol.internal.h"
 #include "libc/limits.h"
 
 unsigned long long strtoull(const char *s, char **endptr, int optional_base) {
diff --git a/libc/conv/strtoumax.c b/libc/fmt/strtoumax.c
similarity index 99%
rename from libc/conv/strtoumax.c
rename to libc/fmt/strtoumax.c
index 2040aeaa..3a9cd8f2 100644
--- a/libc/conv/strtoumax.c
+++ b/libc/fmt/strtoumax.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/str/str.h"
 
 /**
diff --git a/libc/conv/timespectofiletime.c b/libc/fmt/timespectofiletime.c
similarity index 98%
rename from libc/conv/timespectofiletime.c
rename to libc/fmt/timespectofiletime.c
index 1e2c3a8d..a6ee4f06 100644
--- a/libc/conv/timespectofiletime.c
+++ b/libc/fmt/timespectofiletime.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/calls.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/nexgen32e/nexgen32e.h"
 #include "libc/nt/struct/filetime.h"
 
diff --git a/libc/conv/timetofiletime.c b/libc/fmt/timetofiletime.c
similarity index 98%
rename from libc/conv/timetofiletime.c
rename to libc/fmt/timetofiletime.c
index a45e1a15..9d17d5df 100644
--- a/libc/conv/timetofiletime.c
+++ b/libc/fmt/timetofiletime.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/nt/struct/filetime.h"
 
 struct NtFileTime TimeToFileTime(int64_t t) {
diff --git a/libc/conv/timevaltofiletime.c b/libc/fmt/timevaltofiletime.c
similarity index 98%
rename from libc/conv/timevaltofiletime.c
rename to libc/fmt/timevaltofiletime.c
index 2155d030..674b0a17 100644
--- a/libc/conv/timevaltofiletime.c
+++ b/libc/fmt/timevaltofiletime.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/struct/timeval.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/nt/struct/filetime.h"
 #include "libc/time/time.h"
 
diff --git a/libc/conv/unsleb128.c b/libc/fmt/unsleb128.c
similarity index 98%
rename from libc/conv/unsleb128.c
rename to libc/fmt/unsleb128.c
index e52fd41f..12c1c7c7 100644
--- a/libc/conv/unsleb128.c
+++ b/libc/fmt/unsleb128.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 
 /**
  * Decodes a GNU-style varint from a buffer.
diff --git a/libc/fmt/vcscanf.c b/libc/fmt/vcscanf.c
index 02be64bd..0b68d0a6 100644
--- a/libc/fmt/vcscanf.c
+++ b/libc/fmt/vcscanf.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/bits/weaken.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 #include "libc/mem/mem.h"
 #include "libc/runtime/runtime.h"
diff --git a/libc/conv/wcslol.internal.h b/libc/fmt/wcslol.internal.h
similarity index 79%
rename from libc/conv/wcslol.internal.h
rename to libc/fmt/wcslol.internal.h
index 45137aa9..a183fc86 100644
--- a/libc/conv/wcslol.internal.h
+++ b/libc/fmt/wcslol.internal.h
@@ -1,5 +1,5 @@
-#ifndef COSMOPOLITAN_LIBC_CONV_WCSLOL_H_
-#define COSMOPOLITAN_LIBC_CONV_WCSLOL_H_
+#ifndef COSMOPOLITAN_LIBC_FMT_WCSLOL_H_
+#define COSMOPOLITAN_LIBC_FMT_WCSLOL_H_
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 COSMOPOLITAN_C_START_
 
@@ -13,4 +13,4 @@ COSMOPOLITAN_C_START_
 
 COSMOPOLITAN_C_END_
 #endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
-#endif /* COSMOPOLITAN_LIBC_CONV_WCSLOL_H_ */
+#endif /* COSMOPOLITAN_LIBC_FMT_WCSLOL_H_ */
diff --git a/libc/conv/wcstoimax.c b/libc/fmt/wcstoimax.c
similarity index 98%
rename from libc/conv/wcstoimax.c
rename to libc/fmt/wcstoimax.c
index 252e0297..2ae92f76 100644
--- a/libc/conv/wcstoimax.c
+++ b/libc/fmt/wcstoimax.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/str/str.h"
 
 intmax_t wcstoimax(const wchar_t *s, wchar_t **endptr, int base) {
diff --git a/libc/conv/wcstol.c b/libc/fmt/wcstol.c
similarity index 96%
rename from libc/conv/wcstol.c
rename to libc/fmt/wcstol.c
index 8bb2acd0..314c5d16 100644
--- a/libc/conv/wcstol.c
+++ b/libc/fmt/wcstol.c
@@ -17,8 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
-#include "libc/conv/wcslol.internal.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/wcslol.internal.h"
 #include "libc/limits.h"
 #include "libc/str/str.h"
 
diff --git a/libc/isystem/endian.h b/libc/isystem/endian.h
index 9bacf991..ff745bf4 100644
--- a/libc/isystem/endian.h
+++ b/libc/isystem/endian.h
@@ -1,4 +1,4 @@
 #ifndef LIBC_ISYSTEM_ENDIAN_H_
 #define LIBC_ISYSTEM_ENDIAN_H_
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #endif
diff --git a/libc/isystem/stdlib.h b/libc/isystem/stdlib.h
index fbb9406a..b887d845 100644
--- a/libc/isystem/stdlib.h
+++ b/libc/isystem/stdlib.h
@@ -1,6 +1,6 @@
 #ifndef LIBC_ISYSTEM_STDLIB_H_
 #define LIBC_ISYSTEM_STDLIB_H_
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/mem/mem.h"
 #include "libc/rand/rand.h"
 #include "libc/runtime/runtime.h"
diff --git a/libc/libc.mk b/libc/libc.mk
index 3c3134fb..be947d59 100644
--- a/libc/libc.mk
+++ b/libc/libc.mk
@@ -11,7 +11,6 @@ LIBC_CHECKS = $(LIBC_HDRS:%=o/$(MODE)/%.ok)
 o/$(MODE)/libc:	o/$(MODE)/libc/alg		\
 		o/$(MODE)/libc/bits		\
 		o/$(MODE)/libc/calls		\
-		o/$(MODE)/libc/conv		\
 		o/$(MODE)/libc/crt		\
 		o/$(MODE)/libc/dns		\
 		o/$(MODE)/libc/elf		\
diff --git a/libc/log/asan.c b/libc/log/asan.c
index 2506973c..c8ba2cb8 100644
--- a/libc/log/asan.c
+++ b/libc/log/asan.c
@@ -20,7 +20,7 @@
 #include "libc/bits/safemacros.internal.h"
 #include "libc/bits/weaken.h"
 #include "libc/calls/calls.h"
-#include "libc/conv/itoa.h"
+#include "libc/fmt/itoa.h"
 #include "libc/log/asan.internal.h"
 #include "libc/log/backtrace.internal.h"
 #include "libc/log/log.h"
diff --git a/libc/log/backtrace2.c b/libc/log/backtrace2.c
index 23ce7d79..5114cfab 100644
--- a/libc/log/backtrace2.c
+++ b/libc/log/backtrace2.c
@@ -23,8 +23,8 @@
 #include "libc/bits/weaken.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/hefty/spawn.h"
-#include "libc/conv/conv.h"
 #include "libc/dce.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 #include "libc/log/backtrace.internal.h"
 #include "libc/log/log.h"
diff --git a/libc/log/backtrace3.c b/libc/log/backtrace3.c
index 9daf559a..4544d991 100644
--- a/libc/log/backtrace3.c
+++ b/libc/log/backtrace3.c
@@ -21,8 +21,8 @@
 #include "libc/assert.h"
 #include "libc/bits/weaken.h"
 #include "libc/calls/calls.h"
-#include "libc/conv/itoa.h"
 #include "libc/fmt/fmt.h"
+#include "libc/fmt/itoa.h"
 #include "libc/log/backtrace.internal.h"
 #include "libc/macros.h"
 #include "libc/nexgen32e/gc.internal.h"
diff --git a/libc/log/checkfail_ndebug.c b/libc/log/checkfail_ndebug.c
index 27d9d860..8c4b85ab 100644
--- a/libc/log/checkfail_ndebug.c
+++ b/libc/log/checkfail_ndebug.c
@@ -17,8 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/itoa.h"
 #include "libc/errno.h"
+#include "libc/fmt/itoa.h"
 #include "libc/log/internal.h"
 #include "libc/log/log.h"
 #include "libc/runtime/runtime.h"
diff --git a/libc/log/getttysize.c b/libc/log/getttysize.c
index ae216e7e..b8c93c78 100644
--- a/libc/log/getttysize.c
+++ b/libc/log/getttysize.c
@@ -20,7 +20,7 @@
 #include "libc/bits/safemacros.internal.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/termios.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/log/log.h"
 #include "libc/runtime/runtime.h"
 #include "libc/sysv/consts/termios.h"
diff --git a/libc/log/log.mk b/libc/log/log.mk
index 86ea8fdf..a60acc0b 100644
--- a/libc/log/log.mk
+++ b/libc/log/log.mk
@@ -30,22 +30,21 @@ LIBC_LOG_A_DIRECTDEPS =					\
 	LIBC_ALG					\
 	LIBC_CALLS					\
 	LIBC_CALLS_HEFTY				\
-	LIBC_CONV					\
 	LIBC_ELF					\
 	LIBC_FMT					\
-	LIBC_TINYMATH					\
+	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
 	LIBC_NT_KERNELBASE				\
-	LIBC_MEM					\
+	LIBC_NT_NTDLL					\
 	LIBC_RAND					\
 	LIBC_RUNTIME					\
 	LIBC_STDIO					\
 	LIBC_STR					\
 	LIBC_STUBS					\
-	LIBC_NT_NTDLL					\
-	LIBC_UNICODE					\
 	LIBC_SYSV					\
 	LIBC_TIME					\
+	LIBC_TINYMATH					\
+	LIBC_UNICODE					\
 	THIRD_PARTY_DLMALLOC
 
 LIBC_LOG_A_DEPS :=					\
diff --git a/libc/log/vflogf.c b/libc/log/vflogf.c
index 550df441..db1f9345 100644
--- a/libc/log/vflogf.c
+++ b/libc/log/vflogf.c
@@ -21,9 +21,9 @@
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/stat.h"
 #include "libc/calls/struct/timeval.h"
-#include "libc/conv/conv.h"
 #include "libc/dce.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 #include "libc/log/internal.h"
 #include "libc/log/log.h"
diff --git a/libc/mem/mem.mk b/libc/mem/mem.mk
index 08a3d0d3..e37f29b7 100644
--- a/libc/mem/mem.mk
+++ b/libc/mem/mem.mk
@@ -29,14 +29,13 @@ LIBC_MEM_A_CHECKS =				\
 	$(LIBC_MEM_A_HDRS:%=o/$(MODE)/%.ok)
 
 LIBC_MEM_A_DIRECTDEPS =				\
-	LIBC_CONV				\
-	LIBC_STR				\
-	LIBC_FMT				\
-	LIBC_RAND				\
-	LIBC_STUBS				\
 	LIBC_CALLS				\
-	LIBC_RUNTIME				\
+	LIBC_FMT				\
 	LIBC_NEXGEN32E				\
+	LIBC_RAND				\
+	LIBC_RUNTIME				\
+	LIBC_STR				\
+	LIBC_STUBS				\
 	LIBC_SYSV				\
 	THIRD_PARTY_DLMALLOC
 
diff --git a/libc/mem/reallocarray.c b/libc/mem/reallocarray.c
index 97f235a8..0397af3b 100644
--- a/libc/mem/reallocarray.c
+++ b/libc/mem/reallocarray.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/mem/mem.h"
 
 /**
diff --git a/libc/runtime/gothere.greg.c b/libc/runtime/gothere.greg.c
deleted file mode 100644
index 2a39f394..00000000
--- a/libc/runtime/gothere.greg.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
-│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
-╞══════════════════════════════════════════════════════════════════════════════╡
-│ Copyright 2020 Justine Alexandra Roberts Tunney                              │
-│                                                                              │
-│ This program is free software; you can redistribute it and/or modify         │
-│ it under the terms of the GNU General Public License as published by         │
-│ the Free Software Foundation; version 2 of the License.                      │
-│                                                                              │
-│ This program is distributed in the hope that it will be useful, but          │
-│ WITHOUT ANY WARRANTY; without even the implied warranty of                   │
-│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU             │
-│ General Public License for more details.                                     │
-│                                                                              │
-│ You should have received a copy of the GNU General Public License            │
-│ along with this program; if not, write to the Free Software                  │
-│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
-│ 02110-1301 USA                                                               │
-╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/itoa.h"
-#include "libc/runtime/runtime.h"
-
-/**
- * Debugs super low-level stuff, e.g.
- *
- *   void GOT_HERE(int);
- *   INITIALIZER(100, _init_got_here_100, GOT_HERE(100));
- *   INITIALIZER(200, _init_got_here_200, GOT_HERE(200));
- *   INITIALIZER(300, _init_got_here_300, GOT_HERE(300));
- *   INITIALIZER(400, _init_got_here_400, GOT_HERE(400));
- *   INITIALIZER(500, _init_got_here_500, GOT_HERE(500));
- *   INITIALIZER(600, _init_got_here_600, GOT_HERE(600));
- *   INITIALIZER(700, _init_got_here_700, GOT_HERE(700));
- *   INITIALIZER(800, _init_got_here_800, GOT_HERE(800));
- *
- */
-privileged interruptfn void GOT_HERE(long num) {
-  size_t len;
-  char msg[48];
-  len = 0;
-  msg[len++] = 'g';
-  msg[len++] = 'o';
-  msg[len++] = 't';
-  msg[len++] = ' ';
-  msg[len++] = 'h';
-  msg[len++] = 'e';
-  msg[len++] = 'r';
-  msg[len++] = 'e';
-  msg[len++] = ' ';
-  len += int64toarray_radix10(num, &msg[len]);
-  msg[len++] = '\r';
-  msg[len++] = '\n';
-  msg[len] = '\0';
-  __print(msg, len);
-}
diff --git a/libc/runtime/grow.c b/libc/runtime/grow.c
index b0e7f921..8d5f566b 100644
--- a/libc/runtime/grow.c
+++ b/libc/runtime/grow.c
@@ -20,7 +20,7 @@
 #include "libc/assert.h"
 #include "libc/bits/bits.h"
 #include "libc/bits/weaken.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/macros.h"
 #include "libc/mem/mem.h"
 #include "libc/runtime/runtime.h"
diff --git a/libc/runtime/program_invocation_short_name.S b/libc/runtime/program_invocation_short_name.S
index 9140988c..ba931dcd 100644
--- a/libc/runtime/program_invocation_short_name.S
+++ b/libc/runtime/program_invocation_short_name.S
@@ -28,11 +28,17 @@ program_invocation_short_name:
 	.previous
 
 	.init.start 400,_init_program_invocation_short_name
-	push	%rdi
 	push	%rsi
-	mov	(%r13),%rdi
-	call	basename
+	mov	(%r13),%rsi
+	mov	%rsi,%rcx
+1:	lodsb
+	cmp	$'/,%al
+	cmoveq	%rsi,%rcx
+	cmp	$'\\,%al
+	cmoveq	%rsi,%rcx
+	test	%al,%al
+	jnz	1b
+	xchg	%rcx,%rax
 	pop	%rsi
-	pop	%rdi
 	stosq
 	.init.end 400,_init_program_invocation_short_name
diff --git a/libc/runtime/runtime.mk b/libc/runtime/runtime.mk
index 20a384ba..ad7c81df 100644
--- a/libc/runtime/runtime.mk
+++ b/libc/runtime/runtime.mk
@@ -34,15 +34,11 @@ LIBC_RUNTIME_A_CHECKS =					\
 	$(LIBC_RUNTIME_A_HDRS:%=o/$(MODE)/%.ok)
 
 LIBC_RUNTIME_A_DIRECTDEPS =				\
-	LIBC_BITS					\
 	LIBC_CALLS					\
-	LIBC_CONV					\
-	LIBC_TINYMATH					\
 	LIBC_ELF					\
 	LIBC_FMT					\
 	LIBC_NEXGEN32E					\
 	LIBC_NT_KERNELBASE				\
-	LIBC_RAND					\
 	LIBC_STR					\
 	LIBC_STUBS					\
 	LIBC_SYSV					\
diff --git a/libc/sock/inet_ntop.c b/libc/sock/inet_ntop.c
index ad23eb9e..1ecaa6eb 100644
--- a/libc/sock/inet_ntop.c
+++ b/libc/sock/inet_ntop.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/itoa.h"
+#include "libc/fmt/itoa.h"
 #include "libc/sysv/consts/af.h"
 #include "libc/sysv/errfuns.h"
 
diff --git a/libc/sock/parseport.c b/libc/sock/parseport.c
index 2bc9ef70..9d4efa3d 100644
--- a/libc/sock/parseport.c
+++ b/libc/sock/parseport.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/sock/sock.h"
 #include "libc/sysv/errfuns.h"
 
diff --git a/libc/sock/sock.mk b/libc/sock/sock.mk
index 7371c5cc..c0b16f71 100644
--- a/libc/sock/sock.mk
+++ b/libc/sock/sock.mk
@@ -21,18 +21,17 @@ LIBC_SOCK_A_CHECKS =				\
 LIBC_SOCK_A_DIRECTDEPS =			\
 	LIBC_BITS				\
 	LIBC_CALLS				\
-	LIBC_CONV				\
 	LIBC_FMT				\
 	LIBC_MEM				\
+	LIBC_NEXGEN32E				\
+	LIBC_NT_KERNEL32			\
+	LIBC_NT_KERNELBASE			\
+	LIBC_NT_MSWSOCK				\
+	LIBC_NT_NTDLL				\
+	LIBC_NT_WS2_32				\
 	LIBC_RUNTIME				\
 	LIBC_STDIO				\
 	LIBC_STUBS				\
-	LIBC_NT_KERNELBASE			\
-	LIBC_NT_KERNEL32			\
-	LIBC_NT_NTDLL				\
-	LIBC_NT_WS2_32				\
-	LIBC_NT_MSWSOCK				\
-	LIBC_NEXGEN32E				\
 	LIBC_SYSV_CALLS				\
 	LIBC_SYSV
 
diff --git a/libc/stdio/fread.c b/libc/stdio/fread.c
index 04434b6e..e4c7f989 100644
--- a/libc/stdio/fread.c
+++ b/libc/stdio/fread.c
@@ -17,8 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/internal.h"
 #include "libc/stdio/stdio.h"
diff --git a/libc/stdio/stdio.mk b/libc/stdio/stdio.mk
index ac5dc334..41591764 100644
--- a/libc/stdio/stdio.mk
+++ b/libc/stdio/stdio.mk
@@ -29,15 +29,14 @@ LIBC_STDIO_A_DIRECTDEPS =				\
 	LIBC_BITS					\
 	LIBC_CALLS					\
 	LIBC_CALLS_HEFTY				\
-	LIBC_CONV					\
 	LIBC_FMT					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
-	LIBC_STUBS					\
-	LIBC_STR					\
+	LIBC_NT_KERNELBASE				\
 	LIBC_RAND					\
 	LIBC_RUNTIME					\
-	LIBC_NT_KERNELBASE				\
+	LIBC_STR					\
+	LIBC_STUBS					\
 	LIBC_SYSV					\
 	LIBC_SYSV_CALLS
 
diff --git a/libc/str/strcmp8to16i.internal.h b/libc/str/strcmp8to16i.internal.h
index 8c27f3fe..7841377c 100644
--- a/libc/str/strcmp8to16i.internal.h
+++ b/libc/str/strcmp8to16i.internal.h
@@ -1,6 +1,6 @@
 #ifndef COSMOPOLITAN_LIBC_STR_STRCMP8TO16I_H_
 #define COSMOPOLITAN_LIBC_STR_STRCMP8TO16I_H_
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/macros.h"
 #include "libc/str/oldutf16.internal.h"
 #include "libc/str/str.h"
diff --git a/libc/str/tprecode16to8.c b/libc/str/tprecode16to8.c
index f9c1d519..99d429b7 100644
--- a/libc/str/tprecode16to8.c
+++ b/libc/str/tprecode16to8.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/intrin/packsswb.h"
 #include "libc/intrin/pandn.h"
 #include "libc/intrin/pcmpgtw.h"
diff --git a/libc/str/wcsrtombs.c b/libc/str/wcsrtombs.c
index 251ad054..7fbfc083 100644
--- a/libc/str/wcsrtombs.c
+++ b/libc/str/wcsrtombs.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/str/str.h"
 #include "libc/str/tpencode.internal.h"
 
diff --git a/libc/time/strptime.c b/libc/time/strptime.c
index e256c6b7..a3ff98e8 100644
--- a/libc/time/strptime.c
+++ b/libc/time/strptime.c
@@ -25,7 +25,7 @@
 │  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                      │
 │                                                                              │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/macros.h"
 #include "libc/str/str.h"
 #include "libc/time/struct/tm.h"
diff --git a/libc/time/time.mk b/libc/time/time.mk
index cd5b0067..52302058 100644
--- a/libc/time/time.mk
+++ b/libc/time/time.mk
@@ -28,18 +28,17 @@ LIBC_TIME_A_CHECKS =				\
 	$(LIBC_TIME_A_HDRS:%=o/$(MODE)/%.ok)
 
 LIBC_TIME_A_DIRECTDEPS =			\
+	LIBC_CALLS				\
 	LIBC_FMT				\
 	LIBC_MEM				\
-	LIBC_STR				\
-	LIBC_CONV				\
-	LIBC_STUBS				\
-	LIBC_CALLS				\
-	LIBC_RUNTIME				\
 	LIBC_NEXGEN32E				\
-	LIBC_NT_NTDLL				\
 	LIBC_NT_KERNELBASE			\
-	LIBC_SYSV_CALLS				\
+	LIBC_NT_NTDLL				\
+	LIBC_RUNTIME				\
+	LIBC_STR				\
+	LIBC_STUBS				\
 	LIBC_SYSV				\
+	LIBC_SYSV_CALLS				\
 	LIBC_ZIPOS
 
 LIBC_TIME_A_DEPS :=				\
diff --git a/libc/time/times.c b/libc/time/times.c
index f065d605..7874ded3 100644
--- a/libc/time/times.c
+++ b/libc/time/times.c
@@ -22,8 +22,8 @@
 #include "libc/calls/struct/rusage.h"
 #include "libc/calls/struct/timeval.h"
 #include "libc/calls/struct/tms.h"
-#include "libc/conv/conv.h"
 #include "libc/dce.h"
+#include "libc/fmt/conv.h"
 #include "libc/nt/accounting.h"
 #include "libc/nt/runtime.h"
 #include "libc/runtime/sysconf.h"
diff --git a/net/http/http.mk b/net/http/http.mk
index 50c58f83..d812de99 100644
--- a/net/http/http.mk
+++ b/net/http/http.mk
@@ -30,7 +30,6 @@ NET_HTTP_A_CHECKS =				\
 NET_HTTP_A_DIRECTDEPS =				\
 	LIBC_ALG				\
 	LIBC_CALLS				\
-	LIBC_CONV				\
 	LIBC_FMT				\
 	LIBC_LOG				\
 	LIBC_LOG_ASAN				\
diff --git a/test/libc/conv/test.mk b/test/libc/conv/test.mk
deleted file mode 100644
index 2c33c862..00000000
--- a/test/libc/conv/test.mk
+++ /dev/null
@@ -1,64 +0,0 @@
-#-*-mode:makefile-gmake;indent-tabs-mode:t;tab-width:8;coding:utf-8-*-┐
-#───vi: set et ft=make ts=8 tw=8 fenc=utf-8 :vi───────────────────────┘
-
-PKGS += TEST_LIBC_CONV
-
-TEST_LIBC_CONV_SRCS := $(wildcard test/libc/conv/*.c)
-TEST_LIBC_CONV_SRCS_TEST = $(filter %_test.c,$(TEST_LIBC_CONV_SRCS))
-
-TEST_LIBC_CONV_OBJS =					\
-	$(TEST_LIBC_CONV_SRCS:%=o/$(MODE)/%.zip.o)	\
-	$(TEST_LIBC_CONV_SRCS:%.c=o/$(MODE)/%.o)
-
-TEST_LIBC_CONV_COMS =					\
-	$(TEST_LIBC_CONV_SRCS:%.c=o/$(MODE)/%.com)
-
-TEST_LIBC_CONV_BINS =					\
-	$(TEST_LIBC_CONV_COMS)				\
-	$(TEST_LIBC_CONV_COMS:%=%.dbg)
-
-TEST_LIBC_CONV_TESTS =					\
-	$(TEST_LIBC_CONV_SRCS_TEST:%.c=o/$(MODE)/%.com.ok)
-
-TEST_LIBC_CONV_CHECKS =					\
-	$(TEST_LIBC_CONV_SRCS_TEST:%.c=o/$(MODE)/%.com.runs)
-
-TEST_LIBC_CONV_DIRECTDEPS =				\
-	LIBC_CONV					\
-	LIBC_FMT					\
-	LIBC_LOG					\
-	LIBC_MEM					\
-	LIBC_STDIO					\
-	LIBC_NEXGEN32E					\
-	LIBC_STUBS					\
-	LIBC_TINYMATH					\
-	LIBC_RUNTIME					\
-	LIBC_X						\
-	LIBC_TESTLIB
-
-TEST_LIBC_CONV_DEPS :=					\
-	$(call uniq,$(foreach x,$(TEST_LIBC_CONV_DIRECTDEPS),$($(x))))
-
-o/$(MODE)/test/libc/conv/conv.pkg:			\
-		$(TEST_LIBC_CONV_OBJS)			\
-		$(foreach x,$(TEST_LIBC_CONV_DIRECTDEPS),$($(x)_A).pkg)
-
-o/$(MODE)/test/libc/conv/%.com.dbg:			\
-		$(TEST_LIBC_CONV_DEPS)			\
-		o/$(MODE)/test/libc/conv/%.o		\
-		o/$(MODE)/test/libc/conv/conv.pkg	\
-		$(LIBC_TESTMAIN)			\
-		$(CRT)					\
-		$(APE)
-	@$(APELINK)
-
-$(TEST_LIBC_CONV_OBJS): test/libc/conv/test.mk
-
-$(TEST_LIBC_CONV_OBJS):					\
-	DEFAULT_CCFLAGS +=				\
-		-fno-builtin
-
-.PHONY: o/$(MODE)/test/libc/conv
-o/$(MODE)/test/libc/conv:				\
-		$(TEST_LIBC_CONV_BINS)			\
-		$(TEST_LIBC_CONV_CHECKS)
diff --git a/test/libc/conv/basename_test.c b/test/libc/fmt/basename_test.c
similarity index 99%
rename from test/libc/conv/basename_test.c
rename to test/libc/fmt/basename_test.c
index 9356e26e..f6310697 100644
--- a/test/libc/conv/basename_test.c
+++ b/test/libc/fmt/basename_test.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/bits/bits.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/mem/mem.h"
 #include "libc/testlib/testlib.h"
 
diff --git a/test/libc/conv/itoa64radix10_test.c b/test/libc/fmt/itoa64radix10_test.c
similarity index 98%
rename from test/libc/conv/itoa64radix10_test.c
rename to test/libc/fmt/itoa64radix10_test.c
index abfb167f..613af65c 100644
--- a/test/libc/conv/itoa64radix10_test.c
+++ b/test/libc/fmt/itoa64radix10_test.c
@@ -17,8 +17,8 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
-#include "libc/conv/itoa.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/itoa.h"
 #include "libc/limits.h"
 #include "libc/testlib/testlib.h"
 
diff --git a/test/libc/conv/itoa64radix16_test.c b/test/libc/fmt/itoa64radix16_test.c
similarity index 98%
rename from test/libc/conv/itoa64radix16_test.c
rename to test/libc/fmt/itoa64radix16_test.c
index 046fa1dd..0609e573 100644
--- a/test/libc/conv/itoa64radix16_test.c
+++ b/test/libc/fmt/itoa64radix16_test.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/itoa.h"
+#include "libc/fmt/itoa.h"
 #include "libc/testlib/testlib.h"
 
 TEST(itoa64radix16, test) {
diff --git a/test/libc/conv/llog10_test.c b/test/libc/fmt/llog10_test.c
similarity index 98%
rename from test/libc/conv/llog10_test.c
rename to test/libc/fmt/llog10_test.c
index 5cd3e832..38af799f 100644
--- a/test/libc/conv/llog10_test.c
+++ b/test/libc/fmt/llog10_test.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/bits/bits.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/limits.h"
 #include "libc/testlib/testlib.h"
 
diff --git a/test/libc/fmt/palandprintf_test.c b/test/libc/fmt/palandprintf_test.c
index f937b5f0..ba28931b 100644
--- a/test/libc/fmt/palandprintf_test.c
+++ b/test/libc/fmt/palandprintf_test.c
@@ -27,9 +27,9 @@
 #include "libc/bits/progn.internal.h"
 #include "libc/bits/pushpop.h"
 #include "libc/bits/safemacros.internal.h"
-#include "libc/conv/itoa.h"
 #include "libc/errno.h"
 #include "libc/fmt/fmt.h"
+#include "libc/fmt/itoa.h"
 #include "libc/limits.h"
 #include "libc/math.h"
 #include "libc/mem/mem.h"
diff --git a/test/libc/conv/strtoimax_test.c b/test/libc/fmt/strtoimax_test.c
similarity index 99%
rename from test/libc/conv/strtoimax_test.c
rename to test/libc/fmt/strtoimax_test.c
index 8afb4122..3b27660e 100644
--- a/test/libc/conv/strtoimax_test.c
+++ b/test/libc/fmt/strtoimax_test.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/bits/bits.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/testlib/testlib.h"
 
 TEST(strtoimax, testZero) {
diff --git a/test/libc/conv/strtoumax_test.c b/test/libc/fmt/strtoumax_test.c
similarity index 86%
rename from test/libc/conv/strtoumax_test.c
rename to test/libc/fmt/strtoumax_test.c
index c8824b44..c15be769 100644
--- a/test/libc/conv/strtoumax_test.c
+++ b/test/libc/fmt/strtoumax_test.c
@@ -18,14 +18,22 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/bits/bits.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/limits.h"
 #include "libc/testlib/testlib.h"
 
-TEST(strtoumax, testZero) { EXPECT_EQ(UINTMAX_MIN, strtoumax("0", NULL, 0)); }
-TEST(strtoumax, testDecimal) { EXPECT_EQ(123, strtoumax("123", NULL, 0)); }
-TEST(strtoumax, testHex) { EXPECT_EQ(255, strtoumax("0xff", NULL, 0)); }
-TEST(strtoumax, testOctal) { EXPECT_EQ(123, strtoumax("0173", NULL, 0)); }
+TEST(strtoumax, testZero) {
+  EXPECT_EQ(UINTMAX_MIN, strtoumax("0", NULL, 0));
+}
+TEST(strtoumax, testDecimal) {
+  EXPECT_EQ(123, strtoumax("123", NULL, 0));
+}
+TEST(strtoumax, testHex) {
+  EXPECT_EQ(255, strtoumax("0xff", NULL, 0));
+}
+TEST(strtoumax, testOctal) {
+  EXPECT_EQ(123, strtoumax("0173", NULL, 0));
+}
 
 TEST(strtoumax, testMaximum) {
   EXPECT_EQ(UINTMAX_MAX,
diff --git a/test/libc/fmt/test.mk b/test/libc/fmt/test.mk
index b72b6aa0..32f67af0 100644
--- a/test/libc/fmt/test.mk
+++ b/test/libc/fmt/test.mk
@@ -21,7 +21,6 @@ TEST_LIBC_FMT_CHECKS =					\
 TEST_LIBC_FMT_DIRECTDEPS =				\
 	LIBC_ALG					\
 	LIBC_CALLS_HEFTY				\
-	LIBC_CONV					\
 	LIBC_FMT					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
@@ -55,6 +54,10 @@ o/$(MODE)/test/libc/fmt/%.com.dbg:			\
 
 $(TEST_LIBC_FMT_OBJS): test/libc/fmt/test.mk
 
+$(TEST_LIBC_FMT_OBJS):					\
+	DEFAULT_CCFLAGS +=				\
+		-fno-builtin
+
 .PHONY: o/$(MODE)/test/libc/fmt
 o/$(MODE)/test/libc/fmt:				\
 		$(TEST_LIBC_FMT_BINS)			\
diff --git a/test/libc/conv/timevaltofiletime_test.c b/test/libc/fmt/timevaltofiletime_test.c
similarity index 98%
rename from test/libc/conv/timevaltofiletime_test.c
rename to test/libc/fmt/timevaltofiletime_test.c
index 3f39801d..e32cf764 100644
--- a/test/libc/conv/timevaltofiletime_test.c
+++ b/test/libc/fmt/timevaltofiletime_test.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/struct/timeval.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/nt/struct/filetime.h"
 #include "libc/testlib/testlib.h"
 #include "libc/time/time.h"
diff --git a/test/libc/test.mk b/test/libc/test.mk
index b3f35b00..f49196d1 100644
--- a/test/libc/test.mk
+++ b/test/libc/test.mk
@@ -6,7 +6,6 @@ o/$(MODE)/test/libc:					\
 		o/$(MODE)/test/libc/alg			\
 		o/$(MODE)/test/libc/bits		\
 		o/$(MODE)/test/libc/calls		\
-		o/$(MODE)/test/libc/conv		\
 		o/$(MODE)/test/libc/crypto		\
 		o/$(MODE)/test/libc/dns			\
 		o/$(MODE)/test/libc/fmt			\
diff --git a/test/libc/time/clock_gettime_test.c b/test/libc/time/clock_gettime_test.c
index 317d14ca..b80fbcae 100644
--- a/test/libc/time/clock_gettime_test.c
+++ b/test/libc/time/clock_gettime_test.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/struct/timespec.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/macros.h"
 #include "libc/runtime/gc.h"
 #include "libc/stdio/stdio.h"
diff --git a/third_party/chibicc/chibicc.h b/third_party/chibicc/chibicc.h
index ba1ddb9d..4cb5bff1 100644
--- a/third_party/chibicc/chibicc.h
+++ b/third_party/chibicc/chibicc.h
@@ -5,10 +5,10 @@
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/stat.h"
 #include "libc/calls/weirdtypes.h"
-#include "libc/conv/conv.h"
-#include "libc/conv/itoa.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
+#include "libc/fmt/itoa.h"
 #include "libc/limits.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
diff --git a/third_party/chibicc/chibicc.mk b/third_party/chibicc/chibicc.mk
index 05e5f37a..9ec07c1b 100644
--- a/third_party/chibicc/chibicc.mk
+++ b/third_party/chibicc/chibicc.mk
@@ -42,7 +42,6 @@ THIRD_PARTY_CHIBICC_A_DIRECTDEPS =					\
 	LIBC_BITS							\
 	LIBC_CALLS							\
 	LIBC_CALLS_HEFTY						\
-	LIBC_CONV							\
 	LIBC_FMT							\
 	LIBC_LOG							\
 	LIBC_MEM							\
diff --git a/third_party/chibicc/preprocess.c b/third_party/chibicc/preprocess.c
index 89fc4f5a..4910d2d6 100644
--- a/third_party/chibicc/preprocess.c
+++ b/third_party/chibicc/preprocess.c
@@ -1301,18 +1301,6 @@ static void join_adjacent_string_literals(Token *tok) {
       tok1 = tok1->next;
       continue;
     }
-#if 0
-    assert(tok1->ty->base->size == tok2->ty->base->size);
-    Token *t = copy_token(tok1);
-    t->ty =
-        array_of(tok1->ty->base, tok1->ty->array_len + tok2->ty->array_len - 1);
-    t->str = calloc(1, t->ty->size);
-    t->next = tok2->next;
-    memcpy(mempcpy(t->str, tok1->str, tok1->ty->size - tok1->ty->base->size),
-           tok2->str, tok2->ty->size);
-    t->len = strlen(t->loc);
-    *tok1 = *t;
-#else
     Token *tok2 = tok1->next;
     while (tok2->kind == TK_STR) tok2 = tok2->next;
     int len = tok1->ty->array_len;
@@ -1330,7 +1318,6 @@ static void join_adjacent_string_literals(Token *tok) {
     tok1->str = buf;
     tok1->next = tok2;
     tok1 = tok2;
-#endif
   }
 }
 
diff --git a/third_party/ctags/ctags.mk b/third_party/ctags/ctags.mk
index e4ead4cd..757236db 100644
--- a/third_party/ctags/ctags.mk
+++ b/third_party/ctags/ctags.mk
@@ -15,17 +15,16 @@ THIRD_PARTY_CTAGS_CHECKS =					\
 THIRD_PARTY_CTAGS_DIRECTDEPS =					\
 	LIBC_CALLS						\
 	LIBC_CALLS_HEFTY					\
-	LIBC_CONV						\
-	LIBC_RUNTIME						\
-	LIBC_MEM						\
 	LIBC_FMT						\
 	LIBC_LOG						\
-	LIBC_TIME						\
-	LIBC_SYSV						\
+	LIBC_MEM						\
+	LIBC_NEXGEN32E						\
+	LIBC_RUNTIME						\
+	LIBC_STDIO						\
 	LIBC_STR						\
 	LIBC_STUBS						\
-	LIBC_STDIO						\
-	LIBC_NEXGEN32E						\
+	LIBC_SYSV						\
+	LIBC_TIME						\
 	LIBC_UNICODE						\
 	THIRD_PARTY_MUSL					\
 	THIRD_PARTY_REGEX
diff --git a/third_party/ctags/eiffel.c b/third_party/ctags/eiffel.c
index 135d214e..df71f058 100644
--- a/third_party/ctags/eiffel.c
+++ b/third_party/ctags/eiffel.c
@@ -12,7 +12,7 @@
 #include "third_party/ctags/general.h"
 /* must always come first */
 #include "libc/calls/calls.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/runtime/runtime.h"
 #include "libc/str/str.h"
 #include "third_party/ctags/debug.h"
diff --git a/third_party/ctags/readtags.c b/third_party/ctags/readtags.c
index 646a51b5..b791cc20 100644
--- a/third_party/ctags/readtags.c
+++ b/third_party/ctags/readtags.c
@@ -9,8 +9,8 @@
  */
 #include "libc/calls/calls.h"
 #include "libc/calls/weirdtypes.h"
-#include "libc/conv/conv.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/log/log.h"
 #include "libc/mem/mem.h"
 #include "libc/stdio/stdio.h"
diff --git a/third_party/dlmalloc/dlmalloc.c b/third_party/dlmalloc/dlmalloc.c
index d5aa10d9..7a1085b2 100644
--- a/third_party/dlmalloc/dlmalloc.c
+++ b/third_party/dlmalloc/dlmalloc.c
@@ -2,8 +2,8 @@
 #include "libc/bits/safemacros.internal.h"
 #include "libc/calls/internal.h"
 #include "libc/calls/struct/sysinfo.h"
-#include "libc/conv/conv.h"
 #include "libc/dce.h"
+#include "libc/fmt/conv.h"
 #include "libc/limits.h"
 #include "libc/macros.h"
 #include "libc/mem/mem.h"
diff --git a/third_party/dlmalloc/dlmalloc.mk b/third_party/dlmalloc/dlmalloc.mk
index be00d331..95bb7b0b 100644
--- a/third_party/dlmalloc/dlmalloc.mk
+++ b/third_party/dlmalloc/dlmalloc.mk
@@ -27,7 +27,6 @@ THIRD_PARTY_DLMALLOC_A_CHECKS =					\
 THIRD_PARTY_DLMALLOC_A_DIRECTDEPS =				\
 	LIBC_BITS						\
 	LIBC_CALLS						\
-	LIBC_CONV						\
 	LIBC_FMT						\
 	LIBC_NEXGEN32E						\
 	LIBC_RUNTIME						\
diff --git a/third_party/dlmalloc/mtrace.c b/third_party/dlmalloc/mtrace.c
index f1ed4543..84377ab1 100644
--- a/third_party/dlmalloc/mtrace.c
+++ b/third_party/dlmalloc/mtrace.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/itoa.h"
+#include "libc/fmt/itoa.h"
 #include "libc/runtime/runtime.h"
 #include "libc/str/str.h"
 #include "third_party/dlmalloc/dlmalloc.internal.h"
diff --git a/third_party/duktape/duk_config.h b/third_party/duktape/duk_config.h
index 39323b46..27ce9553 100644
--- a/third_party/duktape/duk_config.h
+++ b/third_party/duktape/duk_config.h
@@ -44,8 +44,8 @@
 #include "libc/calls/termios.h"
 #include "libc/calls/typedef/sighandler_t.h"
 #include "libc/calls/weirdtypes.h"
-#include "libc/conv/conv.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 #include "libc/inttypes.h"
 #include "libc/limits.h"
diff --git a/third_party/f2c/f2c.mk b/third_party/f2c/f2c.mk
index 6fccab6e..3e7653c9 100644
--- a/third_party/f2c/f2c.mk
+++ b/third_party/f2c/f2c.mk
@@ -22,16 +22,15 @@ THIRD_PARTY_F2C_A_CHECKS =				\
 	$(THIRD_PARTY_F2C_A_HDRS:%=o/$(MODE)/%.ok)
 
 THIRD_PARTY_F2C_A_DIRECTDEPS =				\
-	LIBC_CONV					\
 	LIBC_CALLS					\
 	LIBC_CALLS_HEFTY				\
-	LIBC_RUNTIME					\
-	LIBC_MEM					\
 	LIBC_FMT					\
+	LIBC_MEM					\
+	LIBC_NEXGEN32E					\
+	LIBC_RUNTIME					\
+	LIBC_STDIO					\
 	LIBC_STR					\
 	LIBC_STUBS					\
-	LIBC_STDIO					\
-	LIBC_NEXGEN32E					\
 	LIBC_UNICODE
 
 THIRD_PARTY_F2C_A_DEPS :=				\
diff --git a/third_party/f2c/wref.c b/third_party/f2c/wref.c
index 47f947b6..4feafe2e 100644
--- a/third_party/f2c/wref.c
+++ b/third_party/f2c/wref.c
@@ -1,4 +1,4 @@
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 #include "libc/str/str.h"
 #include "third_party/f2c/fmt.h"
diff --git a/third_party/lemon/lemon.c b/third_party/lemon/lemon.c
index be981a99..61a0e9b3 100644
--- a/third_party/lemon/lemon.c
+++ b/third_party/lemon/lemon.c
@@ -10,7 +10,7 @@
 #include "libc/alg/alg.h"
 #include "libc/assert.h"
 #include "libc/calls/calls.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 #include "libc/mem/mem.h"
 #include "libc/runtime/gc.h"
diff --git a/third_party/lemon/lemon.mk b/third_party/lemon/lemon.mk
index e276e9b6..3b987400 100644
--- a/third_party/lemon/lemon.mk
+++ b/third_party/lemon/lemon.mk
@@ -22,7 +22,6 @@ THIRD_PARTY_LEMON_LINK =					\
 THIRD_PARTY_LEMON_DIRECTDEPS =					\
 	LIBC_ALG						\
 	LIBC_CALLS						\
-	LIBC_CONV						\
 	LIBC_FMT						\
 	LIBC_MEM						\
 	LIBC_NEXGEN32E						\
diff --git a/third_party/lex/buf.c b/third_party/lex/buf.c
index 96b0afa2..c2ed76c8 100644
--- a/third_party/lex/buf.c
+++ b/third_party/lex/buf.c
@@ -42,7 +42,7 @@
 #include "libc/mem/mem.h"
 #include "libc/fmt/fmt.h"
 #include "libc/math.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "flexdef.h"
 
 /* Take note: The buffer object is sometimes used as a String buffer (one
diff --git a/third_party/lex/lex.mk b/third_party/lex/lex.mk
index 50467f6e..ad1127ac 100644
--- a/third_party/lex/lex.mk
+++ b/third_party/lex/lex.mk
@@ -60,7 +60,6 @@ THIRD_PARTY_LEX_DIRECTDEPS =				\
 	LIBC_ALG					\
 	LIBC_CALLS					\
 	LIBC_CALLS_HEFTY				\
-	LIBC_CONV					\
 	LIBC_FMT					\
 	LIBC_LOG					\
 	LIBC_MATH					\
diff --git a/third_party/lex/main.c b/third_party/lex/main.c
index 5b19a657..dc518540 100644
--- a/third_party/lex/main.c
+++ b/third_party/lex/main.c
@@ -50,7 +50,7 @@ asm(".include \"third_party/lex/COPYING\"");
 #include "libc/str/str.h"
 #include "libc/mem/mem.h"
 #include "libc/math.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/log/log.h"
 #include "libc/runtime/gc.h"
 #include "libc/x/x.h"
diff --git a/third_party/lex/regex.c b/third_party/lex/regex.c
index 0dacf585..018f482c 100644
--- a/third_party/lex/regex.c
+++ b/third_party/lex/regex.c
@@ -31,7 +31,7 @@
 #include "libc/str/str.h"
 #include "libc/mem/mem.h"
 #include "libc/fmt/fmt.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "flexdef.h"
 
 
diff --git a/third_party/lex/scanopt.c b/third_party/lex/scanopt.c
index 5e3e6c9a..74429fee 100644
--- a/third_party/lex/scanopt.c
+++ b/third_party/lex/scanopt.c
@@ -39,7 +39,7 @@
 
 #include "flexdef.h"
 #include "libc/str/str.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/mem/mem.h"
 #include "libc/str/str.h"
 #include "libc/str/str.h"
diff --git a/third_party/lex/tables.c b/third_party/lex/tables.c
index 11d3e985..24ea272f 100644
--- a/third_party/lex/tables.c
+++ b/third_party/lex/tables.c
@@ -1,7 +1,7 @@
 /*-*- mode:c;indent-tabs-mode:t;c-basic-offset:8;tab-width:8;coding:utf-8   -*-│
 │vi: set et ft=c ts=8 sw=8 fenc=utf-8                                       :vi│
 └─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/mem/mem.h"
 #include "libc/sock/sock.h"
 #include "libc/str/str.h"
diff --git a/third_party/m4/eval.c b/third_party/m4/eval.c
index 595f6dc6..497bb139 100644
--- a/third_party/m4/eval.c
+++ b/third_party/m4/eval.c
@@ -41,7 +41,7 @@
  */
 
 #include "libc/bits/safemacros.internal.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/errno.h"
 #include "libc/limits.h"
 #include "libc/log/bsd.h"
diff --git a/third_party/m4/gnum4.c b/third_party/m4/gnum4.c
index 4c109d0a..f3281455 100644
--- a/third_party/m4/gnum4.c
+++ b/third_party/m4/gnum4.c
@@ -38,7 +38,7 @@
 #include "libc/fmt/fmt.h"
 #include "libc/log/bsd.h"
 #include "libc/limits.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/calls/weirdtypes.h"
 #include "libc/calls/calls.h"
 #include "libc/errno.h"
diff --git a/third_party/m4/tokenizer.c b/third_party/m4/tokenizer.c
index af952738..3c635700 100644
--- a/third_party/m4/tokenizer.c
+++ b/third_party/m4/tokenizer.c
@@ -1,4 +1,4 @@
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/mem/mem.h"
 #include "libc/runtime/runtime.h"
 #include "libc/str/str.h"
diff --git a/third_party/stb/stb.mk b/third_party/stb/stb.mk
index 3e57334e..62f10c6e 100644
--- a/third_party/stb/stb.mk
+++ b/third_party/stb/stb.mk
@@ -28,18 +28,17 @@ THIRD_PARTY_STB_A_OBJS =				\
 THIRD_PARTY_STB_A_DIRECTDEPS =				\
 	DSP_CORE					\
 	LIBC_ALG					\
-	LIBC_FMT					\
-	LIBC_STDIO					\
 	LIBC_BITS					\
-	LIBC_CONV					\
+	LIBC_FMT					\
+	LIBC_LOG					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
-	LIBC_TINYMATH					\
 	LIBC_RUNTIME					\
+	LIBC_STDIO					\
 	LIBC_STR					\
-	LIBC_LOG					\
-	LIBC_X						\
 	LIBC_STUBS					\
+	LIBC_TINYMATH					\
+	LIBC_X						\
 	THIRD_PARTY_ZLIB
 
 THIRD_PARTY_STB_A_DEPS :=				\
diff --git a/third_party/stb/stb_image.c b/third_party/stb/stb_image.c
index ff3b1eca..8996afe0 100644
--- a/third_party/stb/stb_image.c
+++ b/third_party/stb/stb_image.c
@@ -20,7 +20,7 @@
 #include "libc/assert.h"
 #include "libc/bits/bits.h"
 #include "libc/calls/calls.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/limits.h"
 #include "libc/log/gdb.h"
 #include "libc/log/log.h"
diff --git a/third_party/stb/stb_image_write.c b/third_party/stb/stb_image_write.c
index 41217c01..8bc167ae 100644
--- a/third_party/stb/stb_image_write.c
+++ b/third_party/stb/stb_image_write.c
@@ -120,7 +120,7 @@
  */
 #include "dsp/core/core.h"
 #include "libc/assert.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 #include "libc/limits.h"
 #include "libc/macros.h"
diff --git a/third_party/stb/stb_image_write_png.c b/third_party/stb/stb_image_write_png.c
index 10c7cc15..b327d158 100644
--- a/third_party/stb/stb_image_write_png.c
+++ b/third_party/stb/stb_image_write_png.c
@@ -119,7 +119,7 @@
  *   Public Domain (www.unlicense.org)
  */
 #include "libc/assert.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/limits.h"
 #include "libc/mem/mem.h"
 #include "libc/stdio/stdio.h"
diff --git a/third_party/stb/stb_vorbis.c b/third_party/stb/stb_vorbis.c
index bf99d198..8f1d20e5 100644
--- a/third_party/stb/stb_vorbis.c
+++ b/third_party/stb/stb_vorbis.c
@@ -36,7 +36,7 @@
 #include "libc/assert.h"
 #include "libc/bits/bits.h"
 #include "libc/calls/calls.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/limits.h"
 #include "libc/math.h"
 #include "libc/mem/alloca.h"
diff --git a/tool/build/ar.c b/tool/build/ar.c
index 7261f702..086adf99 100644
--- a/tool/build/ar.c
+++ b/tool/build/ar.c
@@ -22,11 +22,10 @@
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/iovec.h"
 #include "libc/calls/struct/stat.h"
-#include "libc/conv/conv.h"
-#include "libc/conv/itoa.h"
-#include "libc/elf/def.h"
 #include "libc/elf/elf.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/itoa.h"
 #include "libc/log/check.h"
 #include "libc/macros.h"
 #include "libc/runtime/runtime.h"
diff --git a/tool/build/blinkenlights.c b/tool/build/blinkenlights.c
index 0529b773..a9d6f27b 100644
--- a/tool/build/blinkenlights.c
+++ b/tool/build/blinkenlights.c
@@ -31,11 +31,10 @@
 #include "libc/calls/struct/termios.h"
 #include "libc/calls/struct/winsize.h"
 #include "libc/calls/termios.h"
-#include "libc/conv/conv.h"
-#include "libc/conv/itoa.h"
-#include "libc/errno.h"
 #include "libc/fmt/bing.internal.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
+#include "libc/fmt/itoa.h"
 #include "libc/intrin/pcmpeqb.h"
 #include "libc/intrin/pmovmskb.h"
 #include "libc/log/check.h"
diff --git a/tool/build/build.mk b/tool/build/build.mk
index cc3f0434..b90590be 100644
--- a/tool/build/build.mk
+++ b/tool/build/build.mk
@@ -30,36 +30,35 @@ TOOL_BUILD_DIRECTDEPS =					\
 	LIBC_BITS					\
 	LIBC_CALLS					\
 	LIBC_CALLS_HEFTY				\
-	LIBC_CONV					\
 	LIBC_DNS					\
 	LIBC_ELF					\
 	LIBC_FMT					\
 	LIBC_INTRIN					\
 	LIBC_LOG					\
 	LIBC_LOG_ASAN					\
-	LIBC_TINYMATH					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
 	LIBC_NT_KERNELBASE				\
 	LIBC_NT_USER32					\
+	LIBC_RAND					\
 	LIBC_RUNTIME					\
 	LIBC_SOCK					\
 	LIBC_STDIO					\
 	LIBC_STR					\
-	LIBC_RAND					\
 	LIBC_STUBS					\
 	LIBC_SYSV					\
 	LIBC_SYSV_CALLS					\
 	LIBC_TESTLIB					\
 	LIBC_TIME					\
+	LIBC_TINYMATH					\
 	LIBC_UNICODE					\
 	LIBC_X						\
-	TOOL_BUILD_LIB					\
 	THIRD_PARTY_COMPILER_RT				\
 	THIRD_PARTY_GDTOA				\
 	THIRD_PARTY_GETOPT				\
 	THIRD_PARTY_XED					\
 	THIRD_PARTY_ZLIB				\
+	TOOL_BUILD_LIB					\
 	THIRD_PARTY_STB
 
 TOOL_BUILD_DEPS :=					\
diff --git a/tool/build/calculator.c b/tool/build/calculator.c
index 6d01e167..8220803c 100644
--- a/tool/build/calculator.c
+++ b/tool/build/calculator.c
@@ -14,10 +14,9 @@
 #include "libc/bits/morton.h"
 #include "libc/bits/popcnt.h"
 #include "libc/calls/calls.h"
-#include "libc/conv/conv.h"
-#include "libc/conv/itoa.h"
-#include "libc/dce.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
+#include "libc/fmt/itoa.h"
 #include "libc/limits.h"
 #include "libc/log/color.internal.h"
 #include "libc/log/log.h"
diff --git a/tool/build/helpop.c b/tool/build/helpop.c
index 3196d415..bcbe2c51 100644
--- a/tool/build/helpop.c
+++ b/tool/build/helpop.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/bits/safemacros.internal.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/macros.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/stdio.h"
diff --git a/tool/build/lib/buildlib.mk b/tool/build/lib/buildlib.mk
index e6e41b53..f327f54d 100644
--- a/tool/build/lib/buildlib.mk
+++ b/tool/build/lib/buildlib.mk
@@ -27,27 +27,26 @@ TOOL_BUILD_LIB_A_OBJS =					\
 TOOL_BUILD_LIB_A_DIRECTDEPS =				\
 	LIBC_ALG					\
 	LIBC_BITS					\
-	LIBC_CONV					\
 	LIBC_CALLS					\
 	LIBC_CALLS_HEFTY				\
 	LIBC_ELF					\
 	LIBC_FMT					\
+	LIBC_INTRIN					\
+	LIBC_LOG					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
+	LIBC_RAND					\
 	LIBC_RUNTIME					\
+	LIBC_SOCK					\
+	LIBC_STDIO					\
+	LIBC_STR					\
 	LIBC_STUBS					\
-	LIBC_INTRIN					\
 	LIBC_SYSV					\
 	LIBC_SYSV_CALLS					\
 	LIBC_TIME					\
-	LIBC_LOG					\
-	LIBC_RAND					\
-	LIBC_STR					\
-	LIBC_SOCK					\
-	LIBC_UNICODE					\
-	LIBC_STDIO					\
-	LIBC_X						\
 	LIBC_TINYMATH					\
+	LIBC_UNICODE					\
+	LIBC_X						\
 	THIRD_PARTY_COMPILER_RT				\
 	THIRD_PARTY_XED
 
diff --git a/tool/build/lib/cga.c b/tool/build/lib/cga.c
index 1ce8ad9c..cfee6960 100644
--- a/tool/build/lib/cga.c
+++ b/tool/build/lib/cga.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/itoa.h"
+#include "libc/fmt/itoa.h"
 #include "libc/macros.h"
 #include "libc/str/str.h"
 #include "tool/build/lib/buffer.h"
diff --git a/tool/build/lib/dis.c b/tool/build/lib/dis.c
index 6d9b2304..b042ce0e 100644
--- a/tool/build/lib/dis.c
+++ b/tool/build/lib/dis.c
@@ -20,9 +20,9 @@
 #include "libc/alg/alg.h"
 #include "libc/alg/arraylist2.internal.h"
 #include "libc/bits/safemacros.internal.h"
-#include "libc/conv/itoa.h"
 #include "libc/fmt/bing.internal.h"
 #include "libc/fmt/fmt.h"
+#include "libc/fmt/itoa.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/macros.h"
diff --git a/tool/build/lib/disarg.c b/tool/build/lib/disarg.c
index e556e1c4..0afc94ed 100644
--- a/tool/build/lib/disarg.c
+++ b/tool/build/lib/disarg.c
@@ -19,7 +19,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/assert.h"
 #include "libc/bits/bits.h"
-#include "libc/conv/itoa.h"
+#include "libc/fmt/itoa.h"
 #include "libc/limits.h"
 #include "libc/log/check.h"
 #include "libc/macros.h"
diff --git a/tool/build/lib/high.c b/tool/build/lib/high.c
index a505f127..012548d1 100644
--- a/tool/build/lib/high.c
+++ b/tool/build/lib/high.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/itoa.h"
+#include "libc/fmt/itoa.h"
 #include "libc/str/str.h"
 #include "tool/build/lib/high.h"
 
diff --git a/tool/build/lib/panel.c b/tool/build/lib/panel.c
index a32da7ce..c91f7912 100644
--- a/tool/build/lib/panel.c
+++ b/tool/build/lib/panel.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/bits/safemacros.internal.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/mem/mem.h"
 #include "libc/str/str.h"
 #include "libc/str/tpdecode.internal.h"
diff --git a/tool/build/lib/pty.c b/tool/build/lib/pty.c
index b4022ca1..bc95632d 100644
--- a/tool/build/lib/pty.c
+++ b/tool/build/lib/pty.c
@@ -21,8 +21,8 @@
 #include "libc/assert.h"
 #include "libc/bits/bits.h"
 #include "libc/bits/safemacros.internal.h"
-#include "libc/conv/conv.h"
-#include "libc/conv/itoa.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/itoa.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/macros.h"
diff --git a/tool/build/lz4toasm.c b/tool/build/lz4toasm.c
index 3f599ec8..aedce0be 100644
--- a/tool/build/lz4toasm.c
+++ b/tool/build/lz4toasm.c
@@ -19,7 +19,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/stat.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/macros.h"
diff --git a/tool/build/package.c b/tool/build/package.c
index 97e4a30a..8d1b99f8 100644
--- a/tool/build/package.c
+++ b/tool/build/package.c
@@ -26,11 +26,11 @@
 #include "libc/bits/safemacros.internal.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/stat.h"
-#include "libc/conv/conv.h"
 #include "libc/elf/def.h"
 #include "libc/elf/elf.h"
 #include "libc/elf/struct/rela.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/macros.h"
diff --git a/tool/build/rollup.c b/tool/build/rollup.c
index 18d11030..3d96a3ac 100644
--- a/tool/build/rollup.c
+++ b/tool/build/rollup.c
@@ -21,7 +21,7 @@
 #include "libc/alg/arraylist2.internal.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/stat.h"
-#include "libc/conv/itoa.h"
+#include "libc/fmt/itoa.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/mem/mem.h"
diff --git a/tool/build/runit.c b/tool/build/runit.c
index 796e3bca..cc2b8cf8 100644
--- a/tool/build/runit.c
+++ b/tool/build/runit.c
@@ -25,10 +25,10 @@
 #include "libc/calls/struct/itimerval.h"
 #include "libc/calls/struct/sigaction.h"
 #include "libc/calls/struct/stat.h"
-#include "libc/conv/conv.h"
 #include "libc/dce.h"
 #include "libc/dns/dns.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 #include "libc/limits.h"
 #include "libc/log/check.h"
diff --git a/tool/build/runitd.c b/tool/build/runitd.c
index 48f2694d..08b64530 100644
--- a/tool/build/runitd.c
+++ b/tool/build/runitd.c
@@ -23,9 +23,9 @@
 #include "libc/calls/hefty/spawn.h"
 #include "libc/calls/struct/sigaction.h"
 #include "libc/calls/struct/stat.h"
-#include "libc/conv/conv.h"
 #include "libc/dce.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
diff --git a/tool/calc/calc.c b/tool/calc/calc.c
index 37fd2c73..4b1e44f2 100644
--- a/tool/calc/calc.c
+++ b/tool/calc/calc.c
@@ -21,8 +21,8 @@
 #include "libc/bits/bswap.h"
 #include "libc/bits/safemacros.internal.h"
 #include "libc/calls/calls.h"
-#include "libc/conv/conv.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/log/log.h"
 #include "libc/macros.h"
 #include "libc/math.h"
diff --git a/tool/calc/calc.mk b/tool/calc/calc.mk
index 43f5bc86..68239430 100644
--- a/tool/calc/calc.mk
+++ b/tool/calc/calc.mk
@@ -27,16 +27,15 @@ TOOL_CALC_CHECKS =				\
 TOOL_CALC_DIRECTDEPS =				\
 	LIBC_BITS				\
 	LIBC_CALLS				\
-	LIBC_CONV				\
-	LIBC_LOG				\
 	LIBC_FMT				\
+	LIBC_LOG				\
 	LIBC_MEM				\
 	LIBC_NEXGEN32E				\
 	LIBC_RAND				\
 	LIBC_RUNTIME				\
 	LIBC_STDIO				\
-	LIBC_STUBS				\
 	LIBC_STR				\
+	LIBC_STUBS				\
 	LIBC_SYSV				\
 	LIBC_TINYMATH				\
 	LIBC_X					\
diff --git a/tool/decode/ar.c b/tool/decode/ar.c
index 1296ca6b..72840c61 100644
--- a/tool/decode/ar.c
+++ b/tool/decode/ar.c
@@ -20,7 +20,7 @@
 #include "libc/bits/bits.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/stat.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/mem/mem.h"
diff --git a/tool/decode/decode.mk b/tool/decode/decode.mk
index d3224019..6de5ccda 100644
--- a/tool/decode/decode.mk
+++ b/tool/decode/decode.mk
@@ -23,14 +23,12 @@ TOOL_DECODE_CHECKS =					\
 
 TOOL_DECODE_DIRECTDEPS =				\
 	LIBC_CALLS					\
-	LIBC_CONV					\
 	LIBC_ELF					\
 	LIBC_FMT					\
 	LIBC_LOG					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
 	LIBC_RAND					\
-	LIBC_TIME					\
 	LIBC_RUNTIME					\
 	LIBC_RUNTIME					\
 	LIBC_STDIO					\
@@ -38,11 +36,12 @@ TOOL_DECODE_DIRECTDEPS =				\
 	LIBC_STUBS					\
 	LIBC_SYSV					\
 	LIBC_SYSV_CALLS					\
+	LIBC_TIME					\
 	LIBC_UNICODE					\
 	LIBC_X						\
-	TOOL_DECODE_LIB					\
 	THIRD_PARTY_GDTOA				\
 	THIRD_PARTY_GETOPT				\
+	TOOL_DECODE_LIB					\
 	THIRD_PARTY_XED
 
 TOOL_DECODE_DEPS :=					\
diff --git a/tool/decode/elf.c b/tool/decode/elf.c
index 5127b8ef..866244f6 100644
--- a/tool/decode/elf.c
+++ b/tool/decode/elf.c
@@ -20,11 +20,11 @@
 #include "libc/bits/safemacros.internal.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/stat.h"
-#include "libc/conv/conv.h"
 #include "libc/elf/elf.h"
 #include "libc/elf/struct/rela.h"
 #include "libc/elf/struct/shdr.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/stdio/stdio.h"
diff --git a/tool/decode/macho.c b/tool/decode/macho.c
index a4e5b0da..86053849 100644
--- a/tool/decode/macho.c
+++ b/tool/decode/macho.c
@@ -21,7 +21,7 @@
 #include "libc/bits/safemacros.internal.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/stat.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/macho.internal.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/stdio.h"
diff --git a/tool/decode/mkcombos.c b/tool/decode/mkcombos.c
index 654328ae..207263df 100644
--- a/tool/decode/mkcombos.c
+++ b/tool/decode/mkcombos.c
@@ -19,7 +19,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/bits/safemacros.internal.h"
 #include "libc/calls/calls.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/log/check.h"
 #include "libc/mem/mem.h"
 #include "libc/runtime/runtime.h"
diff --git a/tool/decode/pe2.c b/tool/decode/pe2.c
index bde7bd53..4ac98671 100644
--- a/tool/decode/pe2.c
+++ b/tool/decode/pe2.c
@@ -20,7 +20,7 @@
 #include "libc/bits/safemacros.internal.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/stat.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/nt/struct/imagedosheader.internal.h"
 #include "libc/nt/struct/imagentheaders.internal.h"
 #include "libc/nt/struct/imageoptionalheader.internal.h"
diff --git a/tool/decode/zip.c b/tool/decode/zip.c
index 0721b79f..0e18a8aa 100644
--- a/tool/decode/zip.c
+++ b/tool/decode/zip.c
@@ -21,7 +21,7 @@
 #include "libc/bits/safemacros.internal.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/stat.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/log/check.h"
 #include "libc/mem/mem.h"
 #include "libc/nexgen32e/crc32.h"
diff --git a/tool/hash/crctab.c b/tool/hash/crctab.c
index bcc18cf1..d627b77c 100644
--- a/tool/hash/crctab.c
+++ b/tool/hash/crctab.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/bits/bits.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/macros.h"
 #include "libc/nexgen32e/crc32.h"
 #include "libc/runtime/runtime.h"
diff --git a/tool/hash/hash.mk b/tool/hash/hash.mk
index 25ddbbda..0fffe792 100644
--- a/tool/hash/hash.mk
+++ b/tool/hash/hash.mk
@@ -17,11 +17,10 @@ TOOL_HASH_BINS =				\
 	$(TOOL_HASH_COMS:%=%.dbg)
 
 TOOL_HASH_DIRECTDEPS =				\
-	LIBC_CONV				\
-	LIBC_STR				\
 	LIBC_FMT				\
 	LIBC_NEXGEN32E				\
 	LIBC_RUNTIME				\
+	LIBC_STR				\
 	LIBC_STUBS				\
 	LIBC_STDIO
 
diff --git a/tool/net/greenbean.c b/tool/net/greenbean.c
index 52f5370d..dcc97f23 100644
--- a/tool/net/greenbean.c
+++ b/tool/net/greenbean.c
@@ -26,10 +26,9 @@
 #include "libc/calls/struct/itimerval.h"
 #include "libc/calls/struct/stat.h"
 #include "libc/calls/weirdtypes.h"
-#include "libc/conv/conv.h"
-#include "libc/conv/itoa.h"
-#include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
+#include "libc/fmt/itoa.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/macros.h"
diff --git a/tool/net/net.mk b/tool/net/net.mk
index 2031ceeb..2947f0dc 100644
--- a/tool/net/net.mk
+++ b/tool/net/net.mk
@@ -23,14 +23,13 @@ TOOL_NET_DIRECTDEPS =						\
 	LIBC_BITS						\
 	LIBC_CALLS						\
 	LIBC_CALLS_HEFTY					\
-	LIBC_CONV						\
 	LIBC_DNS						\
-	LIBC_RAND						\
 	LIBC_FMT						\
 	LIBC_LOG						\
 	LIBC_LOG_ASAN						\
 	LIBC_MEM						\
 	LIBC_NEXGEN32E						\
+	LIBC_RAND						\
 	LIBC_RUNTIME						\
 	LIBC_SOCK						\
 	LIBC_STDIO						\
diff --git a/tool/net/redbean.c b/tool/net/redbean.c
index 2fa774e9..2c539a7b 100644
--- a/tool/net/redbean.c
+++ b/tool/net/redbean.c
@@ -26,10 +26,9 @@
 #include "libc/calls/struct/itimerval.h"
 #include "libc/calls/struct/stat.h"
 #include "libc/calls/weirdtypes.h"
-#include "libc/conv/conv.h"
-#include "libc/conv/itoa.h"
-#include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
+#include "libc/fmt/itoa.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/macros.h"
diff --git a/tool/viz/derasterize.c b/tool/viz/derasterize.c
index f7aa07d7..1a9a39c6 100644
--- a/tool/viz/derasterize.c
+++ b/tool/viz/derasterize.c
@@ -24,7 +24,7 @@
 #include "libc/calls/ioctl.h"
 #include "libc/calls/struct/stat.h"
 #include "libc/calls/termios.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 #include "libc/limits.h"
 #include "libc/log/check.h"
diff --git a/tool/viz/double2int.c b/tool/viz/double2int.c
index 29ae3c0d..366a3c8a 100644
--- a/tool/viz/double2int.c
+++ b/tool/viz/double2int.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/limits.h"
 #include "libc/macros.h"
 #include "libc/runtime/gc.h"
diff --git a/tool/viz/fold.c b/tool/viz/fold.c
index d86cb5fc..1607a550 100644
--- a/tool/viz/fold.c
+++ b/tool/viz/fold.c
@@ -18,8 +18,8 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/bits/safemacros.internal.h"
-#include "libc/conv/conv.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
diff --git a/tool/viz/generatematrix.c b/tool/viz/generatematrix.c
index 77bb2745..bc0649a4 100644
--- a/tool/viz/generatematrix.c
+++ b/tool/viz/generatematrix.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/bits/safemacros.internal.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 #include "libc/limits.h"
 #include "libc/log/check.h"
diff --git a/tool/viz/int2float.c b/tool/viz/int2float.c
index 97eb1b09..5e524bd5 100644
--- a/tool/viz/int2float.c
+++ b/tool/viz/int2float.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/limits.h"
 #include "libc/macros.h"
 #include "libc/runtime/gc.h"
diff --git a/tool/viz/lib/formatmatrix-double.c b/tool/viz/lib/formatmatrix-double.c
index 53e9d600..35b738ae 100644
--- a/tool/viz/lib/formatmatrix-double.c
+++ b/tool/viz/lib/formatmatrix-double.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/assert.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/log/check.h"
 #include "libc/math.h"
 #include "libc/mem/mem.h"
diff --git a/tool/viz/lib/formatstringtable-assembly.c b/tool/viz/lib/formatstringtable-assembly.c
index bba29f7b..7e1c261e 100644
--- a/tool/viz/lib/formatstringtable-assembly.c
+++ b/tool/viz/lib/formatstringtable-assembly.c
@@ -19,7 +19,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/bits/bits.h"
 #include "libc/bits/safemacros.internal.h"
-#include "libc/conv/itoa.h"
+#include "libc/fmt/itoa.h"
 #include "libc/runtime/gc.h"
 #include "libc/str/str.h"
 #include "libc/unicode/unicode.h"
diff --git a/tool/viz/lib/formatstringtable-code.c b/tool/viz/lib/formatstringtable-code.c
index 271c11ee..9b71a670 100644
--- a/tool/viz/lib/formatstringtable-code.c
+++ b/tool/viz/lib/formatstringtable-code.c
@@ -18,7 +18,7 @@
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/bits/safemacros.internal.h"
-#include "libc/conv/itoa.h"
+#include "libc/fmt/itoa.h"
 #include "tool/viz/lib/formatstringtable.h"
 
 void *FormatStringTableAsCode(long yn, long xn, const char *const T[yn][xn],
diff --git a/tool/viz/lib/vizlib.mk b/tool/viz/lib/vizlib.mk
index 8b6acbda..9d435771 100644
--- a/tool/viz/lib/vizlib.mk
+++ b/tool/viz/lib/vizlib.mk
@@ -25,27 +25,26 @@ TOOL_VIZ_LIB_A_OBJS =					\
 	$(TOOL_VIZ_LIB_A_SRCS_C:%.c=o/$(MODE)/%.o)
 
 TOOL_VIZ_LIB_A_DIRECTDEPS =				\
-	DSP_TTY						\
 	DSP_CORE					\
 	DSP_SCALE					\
-	LIBC_INTRIN					\
+	DSP_TTY						\
 	LIBC_ALG					\
 	LIBC_BITS					\
 	LIBC_CALLS					\
-	LIBC_CONV					\
 	LIBC_FMT					\
-	LIBC_SYSV					\
-	LIBC_UNICODE					\
-	LIBC_TESTLIB					\
+	LIBC_INTRIN					\
+	LIBC_LOG					\
 	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
 	LIBC_RUNTIME					\
-	LIBC_LOG					\
+	LIBC_STDIO					\
+	LIBC_STR					\
+	LIBC_STUBS					\
+	LIBC_SYSV					\
+	LIBC_TESTLIB					\
 	LIBC_TIME					\
 	LIBC_TINYMATH					\
-	LIBC_STDIO					\
-	LIBC_STUBS					\
-	LIBC_STR					\
+	LIBC_UNICODE					\
 	LIBC_X						\
 	THIRD_PARTY_AVIR				\
 	THIRD_PARTY_GDTOA				\
diff --git a/tool/viz/life.c b/tool/viz/life.c
index 6dd2cec2..d58704c6 100644
--- a/tool/viz/life.c
+++ b/tool/viz/life.c
@@ -29,11 +29,10 @@
 #include "libc/calls/struct/termios.h"
 #include "libc/calls/struct/winsize.h"
 #include "libc/calls/termios.internal.h"
-#include "libc/conv/conv.h"
-#include "libc/conv/itoa.h"
-#include "libc/dce.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
+#include "libc/fmt/itoa.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/macros.h"
diff --git a/tool/viz/memzoom.c b/tool/viz/memzoom.c
index 5c0ed4b0..11b92cce 100644
--- a/tool/viz/memzoom.c
+++ b/tool/viz/memzoom.c
@@ -30,10 +30,9 @@
 #include "libc/calls/struct/termios.h"
 #include "libc/calls/struct/winsize.h"
 #include "libc/calls/ucontext.h"
-#include "libc/conv/conv.h"
-#include "libc/conv/itoa.h"
-#include "libc/dce.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
+#include "libc/fmt/itoa.h"
 #include "libc/log/log.h"
 #include "libc/macros.h"
 #include "libc/nexgen32e/bsf.h"
diff --git a/tool/viz/od16.c b/tool/viz/od16.c
index 7460cb6d..c5233410 100644
--- a/tool/viz/od16.c
+++ b/tool/viz/od16.c
@@ -17,7 +17,7 @@
 │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA                │
 │ 02110-1301 USA                                                               │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
 #include "libc/log/check.h"
 #include "libc/mem/mem.h"
diff --git a/tool/viz/printimage.c b/tool/viz/printimage.c
index 021e4648..ebbd01b6 100644
--- a/tool/viz/printimage.c
+++ b/tool/viz/printimage.c
@@ -29,8 +29,8 @@
 #include "libc/calls/ioctl.h"
 #include "libc/calls/struct/stat.h"
 #include "libc/calls/struct/winsize.h"
-#include "libc/conv/conv.h"
 #include "libc/dce.h"
+#include "libc/fmt/conv.h"
 #include "libc/limits.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
diff --git a/tool/viz/printpixel.c b/tool/viz/printpixel.c
index b0cf0588..dbd99d06 100644
--- a/tool/viz/printpixel.c
+++ b/tool/viz/printpixel.c
@@ -19,7 +19,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "dsp/tty/quant.h"
 #include "dsp/tty/xtermname.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/runtime/runtime.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
diff --git a/tool/viz/printvideo.c b/tool/viz/printvideo.c
index 6494ff4b..a7784e3c 100644
--- a/tool/viz/printvideo.c
+++ b/tool/viz/printvideo.c
@@ -44,12 +44,11 @@
 #include "libc/calls/struct/sigset.h"
 #include "libc/calls/termios.h"
 #include "libc/calls/ucontext.h"
-#include "libc/conv/conv.h"
-#include "libc/conv/itoa.h"
-#include "libc/dce.h"
 #include "libc/dns/dns.h"
 #include "libc/errno.h"
+#include "libc/fmt/conv.h"
 #include "libc/fmt/fmt.h"
+#include "libc/fmt/itoa.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
 #include "libc/macros.h"
diff --git a/tool/viz/tabalign.c b/tool/viz/tabalign.c
index 6c33eb1e..68cb0983 100644
--- a/tool/viz/tabalign.c
+++ b/tool/viz/tabalign.c
@@ -19,7 +19,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/alg/arraylist.internal.h"
 #include "libc/bits/safemacros.internal.h"
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/limits.h"
 #include "libc/log/check.h"
 #include "libc/log/log.h"
diff --git a/tool/viz/viz.mk b/tool/viz/viz.mk
index 5f7dc959..7093df7e 100644
--- a/tool/viz/viz.mk
+++ b/tool/viz/viz.mk
@@ -19,44 +19,43 @@ TOOL_VIZ_BINS =					\
 TOOL_VIZ_DIRECTDEPS =				\
 	DSP_CORE				\
 	DSP_MPEG				\
-	DSP_TTY					\
 	DSP_SCALE				\
+	DSP_TTY					\
 	LIBC_BITS				\
 	LIBC_CALLS				\
 	LIBC_CALLS_HEFTY			\
-	LIBC_CONV				\
 	LIBC_DNS				\
 	LIBC_FMT				\
 	LIBC_LOG				\
 	LIBC_MEM				\
 	LIBC_NEXGEN32E				\
+	LIBC_NT_COMDLG32			\
+	LIBC_NT_GDI32				\
 	LIBC_NT_KERNEL32			\
 	LIBC_NT_KERNELBASE			\
 	LIBC_NT_USER32				\
-	LIBC_NT_GDI32				\
-	LIBC_NT_COMDLG32			\
+	LIBC_RAND				\
 	LIBC_RUNTIME				\
-	LIBC_TESTLIB				\
+	LIBC_SOCK				\
 	LIBC_STDIO				\
 	LIBC_STR				\
 	LIBC_STUBS				\
-	LIBC_SOCK				\
 	LIBC_SYSV				\
+	LIBC_SYSV_CALLS				\
+	LIBC_TESTLIB				\
 	LIBC_TIME				\
 	LIBC_TINYMATH				\
 	LIBC_UNICODE				\
-	LIBC_RAND				\
 	LIBC_X					\
-	LIBC_SYSV_CALLS				\
 	NET_HTTP				\
-	TOOL_DECODE_LIB				\
-	TOOL_VIZ_LIB				\
-	THIRD_PARTY_GETOPT			\
 	THIRD_PARTY_AVIR			\
 	THIRD_PARTY_DLMALLOC			\
 	THIRD_PARTY_GDTOA			\
+	THIRD_PARTY_GETOPT			\
 	THIRD_PARTY_STB				\
 	THIRD_PARTY_XED				\
+	TOOL_DECODE_LIB				\
+	TOOL_VIZ_LIB				\
 	THIRD_PARTY_ZLIB
 
 TOOL_VIZ_DEPS :=				\