gzip -6 (default) |
54732 bytes (53.4k)
|
local copy |
gzip -9 |
54681 bytes (53.4k)
|
local copy |
libdeflate -12 |
52035 bytes (50.8k)
|
local copy |
7zip -mx=9 -tgzip |
52023 bytes (50.8k)
|
local copy |
pigz -11 -n |
51997 bytes (50.8k)
|
local copy |
zultra |
51996 bytes (50.8k)
|
local copy |
kzip -s0 -rn -b1 |
51977 bytes (50.8k)
|
local copy |
Zopfli |
51887 bytes (50.7k)
|
local copy |
Zopfli (defluff) |
51886 bytes (50.7k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 8 | --mls8 |
block splitting recursion | 15 | --bsr15 |
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 |
---|---|---|---|
51887 bytes | -3 bytes | zopfli --i1000000 --mls8 --bsr15 --lazy --ohh | June 13, 2016 @ 13:22 |
51890 bytes | -1 byte | zopfli --i100000 --mls8 --bsr15 --lazy --ohh | June 10, 2016 @ 17:30 |
51891 bytes | -9 bytes | zopfli --i100000 --mls8 --bsr9 --lazy --ohh | June 10, 2016 @ 09:58 |
51900 bytes | -1 byte | zopfli --i10000 --mls8 --bsr9 --lazy --ohh | June 10, 2016 @ 08:57 |
51901 bytes | -5 bytes | zopfli --i10000 --mls16 --bsr15 --lazy --ohh | June 10, 2016 @ 08:51 |
51906 bytes | -4 bytes | zopfli --i1000 --mls16 --bsr12 --lazy --ohh | June 10, 2016 @ 08:41 |
51910 bytes | – | zopfli --i100 --mls16 --bsr15 --lazy --ohh | June 9, 2016 @ 17:48 |
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 | 51908 | 51909 | 51905 | 51907 | 51907 | 51907 | 51903 | 51905 | 51902 | 51921 | 51922 | 51922 | 51924 | 51924 | 51924 |
4 | 51904 | 51911 | 51904 | 51901 | 51905 | 51918 | 51911 | 51911 | 51906 | 51917 | 51915 | 51914 | 51923 | 51916 | 51907 |
6 | 51916 | 51912 | 51914 | 51904 | 51904 | 51913 | 51905 | 51918 | 51908 | 51915 | 51913 | 51912 | 51918 | 51917 | 51908 |
7 | 51937 | 51910 | 51917 | 51901 | 51903 | 51909 | 51917 | 51901 | 51909 | 51908 | 51912 | 51911 | 51912 | 51911 | 51923 |
8 | 51912 | 51915 | 51901 | 51900 | 51902 | 51900 | 51902 | 51900 | 51917 | 51919 | 51913 | 51913 | 51911 | 51916 | 51918 |
9 | 51917 | 51913 | 51891 | 51900 | 51901 | 51904 | 51903 | 51909 | 51909 | 51918 | 51919 | 51914 | 51917 | 51911 | 51908 |
10 | 51904 | 51910 | 51901 | 51900 | 51902 | 51905 | 51903 | 51909 | 51908 | 51919 | 51915 | 51912 | 51920 | 51911 | 51921 |
11 | 51902 | 51912 | 51914 | 51900 | 51903 | 51901 | 51906 | 51900 | 51900 | 51916 | 51913 | 51912 | 51918 | 51916 | 51912 |
12 | 51904 | 51904 | 51901 | 51901 | 51901 | 51902 | 51920 | 51901 | 51908 | 51916 | 51911 | 51914 | 51921 | 51908 | 51918 |
13 | 51914 | 51912 | 51912 | 51901 | 51901 | 51914 | 51905 | 51903 | 51908 | 51915 | 51916 | 51919 | 51923 | 51917 | 51917 |
14 | 51901 | 51903 | 51900 | 51900 | 51903 | 51903 | 51903 | 51901 | 51902 | 51912 | 51913 | 51911 | 51918 | 51911 | 51913 |
15 | 51914 | 51912 | 51887 | 51901 | 51903 | 51912 | 51900 | 51904 | 51909 | 51915 | 51914 | 51912 | 51913 | 51923 | 51921 |
16 | 51910 | 51912 | 51911 | 51903 | 51901 | 51904 | 51902 | 51900 | 51908 | 51914 | 51907 | 51913 | 51918 | 51911 | 51912 |
17 | 51902 | 51911 | 51900 | 51904 | 51901 | 51904 | 51902 | 51903 | 51908 | 51922 | 51911 | 51912 | 51919 | 51912 | 51929 |
18 | 51912 | 51911 | 51911 | 51900 | 51900 | 51914 | 51903 | 51905 | 51908 | 51923 | 51906 | 51914 | 51918 | 51924 | 51918 |
19 | 51912 | 51912 | 51913 | 51903 | 51902 | 51904 | 51903 | 51909 | 51909 | 51916 | 51912 | 51910 | 51920 | 51911 | 51918 |
20 | 51903 | 51912 | 51903 | 51901 | 51900 | 51901 | 51901 | 51900 | 51910 | 51917 | 51913 | 51916 | 51918 | 51911 | 51917 |
21 | 51902 | 51904 | 51902 | 51901 | 51903 | 51902 | 51905 | 51910 | 51908 | 51917 | 51912 | 51912 | 51914 | 51911 | 51921 |
22 | 51909 | 51912 | 51901 | 51900 | 51900 | 51915 | 51906 | 51910 | 51908 | 51916 | 51906 | 51911 | 51914 | 51912 | 51923 |
23 | 51903 | 51911 | 51913 | 51902 | 51901 | 51909 | 51906 | 51900 | 51912 | 51919 | 51919 | 51912 | 51918 | 51910 | 51913 |
25 | 51912 | 51912 | 51911 | 51900 | 51902 | 51914 | 51902 | 51909 | 51908 | 51918 | 51908 | 51911 | 51915 | 51911 | 51916 |
30 | 51888 | 51905 | 51911 | 51901 | 51903 | 51900 | 51904 | 51910 | 51900 | 51917 | 51912 | 51912 | 51920 | 51912 | 51910 |
40 | 51913 | 51910 | 51901 | 51904 | 51903 | 51902 | 51906 | 51909 | 51900 | 51913 | 51912 | 51911 | 51918 | 51911 | 51913 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 51910 bytes | – | 100% |
1,000 | 51906 bytes | -4 bytes | 100% |
10,000 | 51899 bytes | -7 bytes | 100% |
100,000 | 51890 bytes | -9 bytes | 0.87% |
1,000,000 | 51887 bytes | -3 bytes | 0.58% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 52055 bytes | +168 bytes (+0.32%) | +78 bytes |
1 | 51977 bytes | +90 bytes (+0.17%) | – |
2 | 51978 bytes | +91 bytes (+0.18%) | +1 byte |
3 | 52027 bytes | +140 bytes (+0.27%) | +50 bytes |
4 | 52050 bytes | +163 bytes (+0.31%) | +73 bytes |
5 | 52093 bytes | +206 bytes (+0.40%) | +116 bytes |
6 | 52114 bytes | +227 bytes (+0.44%) | +137 bytes |
7 | 52140 bytes | +253 bytes (+0.49%) | +163 bytes |
8 | 52137 bytes | +250 bytes (+0.48%) | +160 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 38267 bytes | -13620 bytes (-26.25%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 45628 bytes | -6259 bytes (-12.06%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 46494 bytes | -5393 bytes (-10.39%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 47875 bytes | -4012 bytes (-7.73%) |
LZMA2 (Wikipedia) | xz | xz -9 | 48988 bytes | -2899 bytes (-5.59%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 50462 bytes | -1425 bytes (-2.75%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 50752 bytes | -1135 bytes (-2.19%) |