gzip -6 (default) |
9263 bytes (9.0k)
|
local copy |
gzip -9 |
9244 bytes (9.0k)
|
local copy |
libdeflate -12 |
9029 bytes (8.8k)
|
local copy |
kzip -s0 -rn -b0 |
9018 bytes (8.8k)
|
local copy |
7zip -mx=9 -tgzip |
9015 bytes (8.8k)
|
local copy |
pigz -11 -n |
9013 bytes (8.8k)
|
local copy |
zultra |
9002 bytes (8.8k)
|
local copy |
Zopfli |
8993 bytes (8.8k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 10000 | --i10000 |
maximum blocks | 8 | --mb8 |
maximum length score | 8 | --mls8 |
block splitting recursion | 4 | --bsr4 |
lazy matching in LZ77 | yes | --lazy |
optimized Huffman headers | yes | --ohh |
initial random W for iterations | 1 | --rw1 |
initial random Z for iterations | 2 | --rz2 |
Size | Improvement | Parameters | Found |
---|---|---|---|
8993 bytes | -1 byte | zopfli --i10000 --mls8 --bsr4 --lazy --ohh | November 23, 2015 @ 18:06 |
8994 bytes | -1 byte | zopfli --i1000 --mls16384 --bsr8 --lazy --ohh | September 11, 2015 @ 18:03 |
8995 bytes | -2 bytes | zopfli --i1000 --mls16384 --bsr7 --lazy --ohh | September 11, 2015 @ 17:57 |
8997 bytes | -1 byte | zopfli --i1000 --mls8192 --bsr11 --lazy --ohh | September 10, 2015 @ 12:01 |
8998 bytes | – | zopfli --i100 --mls8192 --bsr8 --lazy --ohh | September 10, 2015 @ 11:35 |
2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | 1024 | 2048 | 4096 | 8192 | 16384 | 32768 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | 1024 | 2048 | 4096 | 8192 | 16384 | 32768 | |
2 | 8997 | 8997 | 8998 | 8998 | 8998 | 8999 | 9016 | 9016 | 9016 | 9010 | 9000 | 9001 | 8998 | 8997 | 8997 |
4 | 8993 | 9006 | 8993 | 8998 | 9000 | 9000 | 9011 | 9016 | 9016 | 9009 | 9009 | 9001 | 9000 | 8998 | 8995 |
6 | 9007 | 8996 | 8999 | 8996 | 9000 | 8998 | 9003 | 9009 | 9016 | 9011 | 9002 | 9010 | 8994 | 8993 | 9008 |
7 | 8996 | 8996 | 9000 | 8998 | 8999 | 9012 | 9012 | 9012 | 9016 | 9009 | 9001 | 8996 | 8999 | 8993 | 8995 |
8 | 9003 | 8997 | 9003 | 9003 | 8998 | 9003 | 9012 | 9009 | 9016 | 9011 | 9000 | 9008 | 8996 | 8993 | 9011 |
9 | 8997 | 9003 | 8995 | 9004 | 8998 | 9004 | 9003 | 9003 | 9010 | 9004 | 9001 | 9004 | 9004 | 8997 | 8996 |
10 | 8997 | 8996 | 8999 | 8997 | 9001 | 8998 | 9011 | 9003 | 8997 | 9009 | 9001 | 9009 | 8999 | 8996 | 8996 |
11 | 8998 | 8997 | 9009 | 8997 | 8998 | 8997 | 9012 | 9009 | 8999 | 9009 | 8999 | 9004 | 8994 | 8995 | 9010 |
12 | 8998 | 8999 | 8999 | 8997 | 8999 | 9004 | 8999 | 9009 | 9008 | 9010 | 9000 | 9000 | 9004 | 8998 | 9002 |
13 | 8999 | 8998 | 9000 | 9003 | 8999 | 9003 | 8999 | 9009 | 9016 | 9011 | 9000 | 9009 | 8994 | 8998 | 8996 |
14 | 9000 | 8998 | 8999 | 8998 | 8999 | 9004 | 9012 | 9004 | 9010 | 9011 | 8999 | 9004 | 9004 | 8998 | 8993 |
15 | 8999 | 9007 | 9000 | 8998 | 8999 | 9005 | 9012 | 9009 | 9008 | 9009 | 8999 | 9010 | 8999 | 8993 | 8993 |
16 | 9012 | 8999 | 9000 | 8994 | 8999 | 9005 | 9003 | 9004 | 9010 | 9008 | 9001 | 9003 | 9003 | 8996 | 8995 |
17 | 8998 | 8997 | 9000 | 8998 | 8999 | 9003 | 9003 | 9003 | 8999 | 9005 | 9000 | 9005 | 8996 | 8998 | 9010 |
18 | 9007 | 9010 | 9000 | 9010 | 9009 | 9004 | 9004 | 9004 | 9010 | 9009 | 8998 | 9009 | 9003 | 8997 | 8996 |
19 | 8996 | 8998 | 8999 | 8998 | 8999 | 9003 | 8999 | 9000 | 9010 | 8998 | 8997 | 9009 | 9004 | 8997 | 8993 |
20 | 8998 | 8998 | 9000 | 8997 | 8998 | 9004 | 9012 | 9009 | 9011 | 9011 | 8999 | 9009 | 8996 | 8993 | 8995 |
21 | 8999 | 8998 | 8999 | 8998 | 9001 | 9004 | 9011 | 9012 | 9010 | 9009 | 9009 | 8996 | 9003 | 8998 | 8996 |
22 | 8998 | 8998 | 9000 | 8997 | 8999 | 9004 | 9000 | 9000 | 9010 | 8999 | 8999 | 9009 | 9003 | 8998 | 8995 |
23 | 9000 | 8998 | 9009 | 8998 | 8998 | 9004 | 9003 | 9009 | 8999 | 9007 | 8999 | 9004 | 9004 | 8993 | 8996 |
25 | 8998 | 8996 | 9009 | 8996 | 8998 | 9004 | 9012 | 9009 | 9010 | 9008 | 8999 | 8996 | 9003 | 8998 | 9009 |
30 | 8999 | 8996 | 9000 | 8996 | 9000 | 8998 | 8998 | 9010 | 9010 | 9010 | 9001 | 8996 | 9004 | 8996 | 8995 |
40 | 8996 | 8998 | 9009 | 8996 | 8996 | 9012 | 9012 | 9010 | 9016 | 9009 | 8997 | 9009 | 8995 | 8997 | 8995 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 8997 bytes | – | 100% |
1,000 | 8994 bytes | -3 bytes | 100% |
10,000 | 8993 bytes | -1 byte | 100% |
100,000 | 8993 bytes | – | 7.25% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 9018 bytes | +25 bytes (+0.28%) | – |
1 | 9018 bytes | +25 bytes (+0.28%) | – |
2 | 9041 bytes | +48 bytes (+0.53%) | +23 bytes |
3 | 9071 bytes | +78 bytes (+0.87%) | +53 bytes |
4 | 9084 bytes | +91 bytes (+1.01%) | +66 bytes |
5 | 9118 bytes | +125 bytes (+1.39%) | +100 bytes |
6 | 9143 bytes | +150 bytes (+1.67%) | +125 bytes |
7 | 9188 bytes | +195 bytes (+2.17%) | +170 bytes |
8 | 9212 bytes | +219 bytes (+2.44%) | +194 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 7861 bytes | -1132 bytes (-12.59%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 8107 bytes | -886 bytes (-9.85%) |
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 8523 bytes | -470 bytes (-5.23%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 8628 bytes | -365 bytes (-4.06%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 8853 bytes | -140 bytes (-1.56%) |
LZMA2 (Wikipedia) | xz | xz -9 | 8948 bytes | -45 bytes (-0.50%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 9019 bytes | +26 bytes (+0.29%) |