gzip -6 (default) |
54801 bytes (53.5k)
|
local copy |
gzip -9 |
54754 bytes (53.5k)
|
local copy |
libdeflate -12 |
52093 bytes (50.9k)
|
local copy |
7zip -mx=9 -tgzip |
52075 bytes (50.9k)
|
local copy |
pigz -11 -n |
52066 bytes (50.8k)
|
local copy |
zultra |
52051 bytes (50.8k)
|
local copy |
kzip -s0 -rn -b1 |
52033 bytes (50.8k)
|
local copy |
Zopfli |
51952 bytes (50.7k)
|
local copy |
Zopfli (defluff) |
51951 bytes (50.7k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 2048 | --mls2048 |
block splitting recursion | 16 | --bsr16 |
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 |
---|---|---|---|
51952 bytes | -2 bytes | zopfli --i1000000 --mls2048 --bsr16 --lazy --ohh | January 30, 2020 @ 08:05 |
51954 bytes | -3 bytes | zopfli --i100000 --mls2048 --bsr16 --lazy --ohh | March 21, 2017 @ 15:15 |
51957 bytes | -1 byte | zopfli --i100000 --mls2048 --bsr30 --lazy --ohh | March 21, 2017 @ 14:15 |
51958 bytes | -1 byte | zopfli --i10000 --mls2048 --bsr30 --lazy --ohh | March 17, 2017 @ 14:25 |
51959 bytes | -1 byte | zopfli --i10000 --mls16 --bsr11 --lazy --ohh | March 17, 2017 @ 04:22 |
51960 bytes | -4 bytes | zopfli --i10000 --mls64 --bsr8 --lazy --ohh | March 17, 2017 @ 03:14 |
51964 bytes | -1 byte | zopfli --i1000 --mls32 --bsr18 --lazy --ohh | March 17, 2017 @ 00:17 |
51965 bytes | -4 bytes | zopfli --i1000 --mls16 --bsr9 --lazy --ohh | March 17, 2017 @ 00:10 |
51969 bytes | – | zopfli --i100 --mls16 --bsr30 --lazy --ohh | March 11, 2017 @ 05:04 |
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 | 51965 | 51964 | 51969 | 51967 | 51965 | 51967 | 51962 | 51962 | 51981 | 51980 | 51981 | 51978 | 51981 | 51981 | 51983 |
4 | 51976 | 51971 | 51963 | 51963 | 51962 | 51976 | 51970 | 51969 | 51966 | 51976 | 51965 | 51973 | 51972 | 51975 | 51967 |
6 | 51972 | 51971 | 51971 | 51964 | 51974 | 51961 | 51965 | 51965 | 51967 | 51973 | 51966 | 51972 | 51978 | 51981 | 51979 |
7 | 51973 | 51971 | 51976 | 51993 | 51965 | 51959 | 51967 | 51963 | 51960 | 51972 | 51963 | 51973 | 51975 | 51971 | 51977 |
8 | 51971 | 51974 | 51972 | 51959 | 51959 | 51960 | 51962 | 51977 | 51971 | 51977 | 51971 | 51977 | 51971 | 51972 | 51971 |
9 | 51961 | 51964 | 51960 | 51959 | 51964 | 51964 | 51963 | 51963 | 51967 | 51971 | 51963 | 51979 | 51977 | 51965 | 51974 |
10 | 51963 | 51971 | 51960 | 51964 | 51963 | 51965 | 51962 | 51962 | 51967 | 51976 | 51963 | 51974 | 51977 | 51972 | 51971 |
11 | 51962 | 51964 | 51964 | 51959 | 51962 | 51961 | 51965 | 51963 | 51960 | 51971 | 51963 | 51970 | 51975 | 51985 | 51971 |
12 | 51964 | 51963 | 51961 | 51960 | 51963 | 51959 | 51964 | 51963 | 51966 | 51971 | 51967 | 51973 | 51978 | 51966 | 51972 |
13 | 51974 | 51971 | 51970 | 51960 | 51960 | 51973 | 51961 | 51972 | 51966 | 51970 | 51955 | 51971 | 51970 | 51970 | 51980 |
14 | 51961 | 51963 | 51960 | 51959 | 51960 | 51960 | 51965 | 51960 | 51962 | 51967 | 51963 | 51971 | 51977 | 51969 | 51981 |
15 | 51973 | 51971 | 51962 | 51960 | 51963 | 51973 | 51960 | 51970 | 51961 | 51973 | 51963 | 51972 | 51973 | 51969 | 51976 |
16 | 51970 | 51971 | 51973 | 51963 | 51962 | 51963 | 51964 | 51971 | 51966 | 51968 | 51952 | 51972 | 51977 | 51965 | 51974 |
17 | 51962 | 51971 | 51960 | 51959 | 51961 | 51962 | 51962 | 51960 | 51966 | 51979 | 51963 | 51972 | 51977 | 51965 | 51968 |
18 | 51971 | 51970 | 51971 | 51959 | 51960 | 51974 | 51962 | 51972 | 51966 | 51978 | 51964 | 51973 | 51975 | 51970 | 51974 |
19 | 51972 | 51971 | 51971 | 51962 | 51965 | 51965 | 51963 | 51972 | 51965 | 51970 | 51965 | 51972 | 51977 | 51966 | 51971 |
20 | 51962 | 51971 | 51963 | 51959 | 51960 | 51961 | 51961 | 51962 | 51972 | 51971 | 51963 | 51971 | 51976 | 51970 | 51964 |
21 | 51962 | 51963 | 51960 | 51961 | 51962 | 51962 | 51961 | 51964 | 51965 | 51971 | 51963 | 51973 | 51969 | 51971 | 51971 |
22 | 51970 | 51971 | 51961 | 51959 | 51963 | 51975 | 51965 | 51970 | 51967 | 51972 | 51967 | 51978 | 51970 | 51970 | 51964 |
23 | 51961 | 51972 | 51971 | 51965 | 51960 | 51963 | 51966 | 51961 | 51966 | 51973 | 51963 | 51970 | 51976 | 51966 | 51972 |
25 | 51971 | 51973 | 51973 | 51959 | 51962 | 51962 | 51965 | 51969 | 51961 | 51977 | 51972 | 51971 | 51976 | 51979 | 51972 |
30 | 51959 | 51963 | 51971 | 51959 | 51963 | 51960 | 51964 | 51972 | 51962 | 51972 | 51957 | 51971 | 51977 | 51981 | 51981 |
40 | 51974 | 51969 | 51961 | 51960 | 51963 | 51962 | 51961 | 51966 | 51960 | 51974 | 51963 | 51971 | 51977 | 51971 | 51973 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 51969 bytes | – | 100% |
1,000 | 51964 bytes | -5 bytes | 100% |
10,000 | 51958 bytes | -6 bytes | 100% |
100,000 | 51954 bytes | -4 bytes | 0.87% |
1,000,000 | 51952 bytes | -2 bytes | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 52103 bytes | +151 bytes (+0.29%) | +70 bytes |
1 | 52033 bytes | +81 bytes (+0.16%) | – |
2 | 52035 bytes | +83 bytes (+0.16%) | +2 bytes |
3 | 52071 bytes | +119 bytes (+0.23%) | +38 bytes |
4 | 52093 bytes | +141 bytes (+0.27%) | +60 bytes |
5 | 52141 bytes | +189 bytes (+0.36%) | +108 bytes |
6 | 52168 bytes | +216 bytes (+0.42%) | +135 bytes |
7 | 52189 bytes | +237 bytes (+0.46%) | +156 bytes |
8 | 52188 bytes | +236 bytes (+0.45%) | +155 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 38340 bytes | -13612 bytes (-26.20%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 45675 bytes | -6277 bytes (-12.08%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 46582 bytes | -5370 bytes (-10.34%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 47933 bytes | -4019 bytes (-7.74%) |
LZMA2 (Wikipedia) | xz | xz -9 | 49056 bytes | -2896 bytes (-5.57%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 50515 bytes | -1437 bytes (-2.77%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 50720 bytes | -1232 bytes (-2.37%) |