gzip -6 (default) |
31052 bytes (30.3k)
|
local copy |
gzip -9 |
30977 bytes (30.3k)
|
local copy |
7zip -mx=9 -tgzip |
30019 bytes (29.3k)
|
local copy |
libdeflate -12 |
29979 bytes (29.3k)
|
local copy |
zultra |
29929 bytes (29.2k)
|
local copy |
pigz -11 -n |
29905 bytes (29.2k)
|
local copy |
Zopfli |
29900 bytes (29.2k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000 | --i1000 |
maximum blocks | 8 | --mb8 |
maximum length score | 1024 | --mls1024 |
block splitting recursion | 30 | --bsr30 |
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 |
---|---|---|---|
29900 bytes | -1 byte | zopfli --i1000 --mls1024 --bsr30 --lazy --ohh | January 3, 2023 @ 18:42 |
29901 bytes | – | zopfli --i100 --mls8192 --bsr13 --lazy --ohh | September 19, 2022 @ 14:46 |
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 | 29906 | 29906 | 29907 | 29907 | 29909 | 29919 | 29907 | 29907 | 29909 | 29909 | 29911 | 29911 | 29901 | 29901 | 29928 |
4 | 29932 | 29908 | 29934 | 29932 | 29936 | 29912 | 29927 | 29908 | 29901 | 29903 | 29904 | 29912 | 29902 | 29900 | 29926 |
6 | 29922 | 29909 | 29912 | 29913 | 29911 | 29911 | 29902 | 29910 | 29907 | 29902 | 29900 | 29902 | 29916 | 29911 | 29925 |
7 | 29914 | 29912 | 29912 | 29923 | 29910 | 29914 | 29913 | 29913 | 29901 | 29902 | 29915 | 29901 | 29901 | 29907 | 29918 |
8 | 29911 | 29913 | 29910 | 29910 | 29911 | 29913 | 29908 | 29907 | 29909 | 29909 | 29911 | 29901 | 29901 | 29907 | 29923 |
9 | 29933 | 29910 | 29932 | 29931 | 29911 | 29913 | 29927 | 29910 | 29901 | 29902 | 29901 | 29901 | 29902 | 29904 | 29929 |
10 | 29911 | 29911 | 29912 | 29911 | 29910 | 29913 | 29927 | 29909 | 29907 | 29902 | 29902 | 29901 | 29916 | 29904 | 29925 |
11 | 29911 | 29909 | 29910 | 29910 | 29911 | 29912 | 29911 | 29912 | 29901 | 29907 | 29911 | 29902 | 29901 | 29911 | 29924 |
12 | 29933 | 29912 | 29911 | 29912 | 29913 | 29913 | 29925 | 29908 | 29901 | 29906 | 29914 | 29901 | 29902 | 29908 | 29927 |
13 | 29932 | 29912 | 29909 | 29911 | 29914 | 29913 | 29926 | 29908 | 29901 | 29902 | 29911 | 29902 | 29900 | 29911 | 29924 |
14 | 29909 | 29912 | 29911 | 29910 | 29911 | 29911 | 29911 | 29901 | 29908 | 29902 | 29901 | 29901 | 29902 | 29904 | 29925 |
15 | 29910 | 29911 | 29911 | 29923 | 29912 | 29911 | 29901 | 29909 | 29901 | 29902 | 29901 | 29901 | 29902 | 29907 | 29924 |
16 | 29910 | 29910 | 29910 | 29910 | 29912 | 29911 | 29902 | 29908 | 29908 | 29902 | 29901 | 29901 | 29901 | 29918 | 29923 |
17 | 29911 | 29911 | 29910 | 29913 | 29912 | 29910 | 29927 | 29911 | 29901 | 29909 | 29902 | 29901 | 29901 | 29904 | 29923 |
18 | 29910 | 29909 | 29913 | 29914 | 29913 | 29911 | 29901 | 29908 | 29901 | 29902 | 29911 | 29901 | 29902 | 29918 | 29924 |
19 | 29910 | 29909 | 29909 | 29910 | 29911 | 29913 | 29908 | 29908 | 29901 | 29902 | 29913 | 29901 | 29901 | 29911 | 29922 |
20 | 29935 | 29910 | 29909 | 29935 | 29911 | 29911 | 29925 | 29912 | 29907 | 29902 | 29901 | 29901 | 29906 | 29917 | 29924 |
21 | 29909 | 29910 | 29911 | 29909 | 29908 | 29913 | 29926 | 29910 | 29908 | 29902 | 29902 | 29901 | 29902 | 29911 | 29925 |
22 | 29909 | 29911 | 29910 | 29910 | 29911 | 29915 | 29909 | 29911 | 29901 | 29901 | 29913 | 29902 | 29918 | 29910 | 29924 |
23 | 29912 | 29910 | 29913 | 29914 | 29911 | 29911 | 29910 | 29912 | 29901 | 29902 | 29914 | 29902 | 29901 | 29910 | 29923 |
25 | 29911 | 29912 | 29910 | 29912 | 29912 | 29913 | 29927 | 29910 | 29901 | 29902 | 29901 | 29901 | 29902 | 29907 | 29925 |
30 | 29910 | 29911 | 29909 | 29911 | 29912 | 29911 | 29927 | 29908 | 29901 | 29900 | 29901 | 29901 | 29901 | 29911 | 29929 |
40 | 29913 | 29910 | 29911 | 29911 | 29912 | 29911 | 29908 | 29901 | 29900 | 29902 | 29901 | 29901 | 29900 | 29910 | 29927 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 29901 bytes | – | 100% |
1,000 | 29900 bytes | -1 byte | 100% |
10,000 | 29900 bytes | – | 1.45% |
100,000 | – | – | – |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 25023 bytes | -4877 bytes (-16.31%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 25434 bytes | -4466 bytes (-14.94%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 26965 bytes | -2935 bytes (-9.82%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 28023 bytes | -1877 bytes (-6.28%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 28654 bytes | -1246 bytes (-4.17%) |
LZMA2 (Wikipedia) | xz | xz -9 | 29200 bytes | -700 bytes (-2.34%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 29486 bytes | -414 bytes (-1.38%) |