gzip -6 (default) |
54789 bytes (53.5k)
|
local copy |
gzip -9 |
54739 bytes (53.5k)
|
local copy |
libdeflate -12 |
52081 bytes (50.9k)
|
local copy |
7zip -mx=9 -tgzip |
52061 bytes (50.8k)
|
local copy |
pigz -11 -n |
52052 bytes (50.8k)
|
local copy |
zultra |
52039 bytes (50.8k)
|
local copy |
kzip -s0 -rn -b1 |
52022 bytes (50.8k)
|
local copy |
Zopfli |
51930 bytes (50.7k)
|
local copy |
Zopfli (defluff) |
51926 bytes (50.7k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 64 | --mls64 |
block splitting recursion | 12 | --bsr12 |
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 |
---|---|---|---|
51930 bytes | -3 bytes | zopfli --i1000000 --mls64 --bsr12 --lazy --ohh | December 19, 2016 @ 22:21 |
51933 bytes | -1 byte | zopfli --i100000 --mls64 --bsr12 --lazy --ohh | December 19, 2016 @ 08:09 |
51934 bytes | -2 bytes | zopfli --i100000 --mls16 --bsr25 --lazy --ohh | December 19, 2016 @ 02:46 |
51936 bytes | -10 bytes | zopfli --i100000 --mls16 --bsr9 --lazy --ohh | December 19, 2016 @ 00:35 |
51946 bytes | -5 bytes | zopfli --i10000 --mls16 --bsr14 --lazy --ohh | December 18, 2016 @ 22:49 |
51951 bytes | -7 bytes | zopfli --i1000 --mls32 --bsr18 --lazy --ohh | December 18, 2016 @ 22:36 |
51958 bytes | – | zopfli --i100 --mls32 --bsr18 --lazy --ohh | December 18, 2016 @ 22:30 |
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 | 51952 | 51949 | 51948 | 51951 | 51951 | 51952 | 51948 | 51948 | 51967 | 51966 | 51967 | 51966 | 51970 | 51967 | 51965 |
4 | 51962 | 51957 | 51949 | 51948 | 51949 | 51963 | 51956 | 51957 | 51952 | 51962 | 51959 | 51958 | 51959 | 51964 | 51954 |
6 | 51961 | 51957 | 51957 | 51948 | 51960 | 51947 | 51959 | 51957 | 51952 | 51958 | 51952 | 51957 | 51962 | 51969 | 51966 |
7 | 51981 | 51958 | 51964 | 51947 | 51951 | 51945 | 51959 | 51947 | 51958 | 51957 | 51950 | 51958 | 51963 | 51956 | 51965 |
8 | 51957 | 51966 | 51959 | 51936 | 51934 | 51946 | 51947 | 51936 | 51957 | 51959 | 51950 | 51962 | 51957 | 51959 | 51957 |
9 | 51947 | 51950 | 51947 | 51936 | 51954 | 51950 | 51949 | 51955 | 51947 | 51950 | 51950 | 51965 | 51962 | 51951 | 51960 |
10 | 51949 | 51957 | 51947 | 51947 | 51948 | 51951 | 51947 | 51948 | 51955 | 51963 | 51957 | 51960 | 51963 | 51957 | 51957 |
11 | 51947 | 51951 | 51949 | 51952 | 51953 | 51947 | 51951 | 51946 | 51946 | 51956 | 51950 | 51950 | 51963 | 51970 | 51957 |
12 | 51949 | 51951 | 51949 | 51947 | 51954 | 51930 | 51949 | 51947 | 51946 | 51957 | 51955 | 51959 | 51965 | 51951 | 51958 |
13 | 51960 | 51958 | 51957 | 51947 | 51953 | 51959 | 51947 | 51955 | 51946 | 51955 | 51945 | 51957 | 51957 | 51958 | 51966 |
14 | 51947 | 51953 | 51947 | 51946 | 51948 | 51949 | 51947 | 51946 | 51948 | 51947 | 51950 | 51957 | 51962 | 51956 | 51966 |
15 | 51947 | 51958 | 51947 | 51946 | 51954 | 51959 | 51946 | 51956 | 51948 | 51956 | 51957 | 51957 | 51963 | 51955 | 51965 |
16 | 51956 | 51958 | 51957 | 51949 | 51948 | 51948 | 51950 | 51957 | 51953 | 51947 | 51941 | 51960 | 51963 | 51951 | 51960 |
17 | 51948 | 51962 | 51947 | 51946 | 51946 | 51948 | 51949 | 51946 | 51954 | 51966 | 51950 | 51955 | 51961 | 51953 | 51954 |
18 | 51957 | 51957 | 51957 | 51946 | 51946 | 51960 | 51948 | 51955 | 51946 | 51951 | 51941 | 51948 | 51964 | 51966 | 51959 |
19 | 51957 | 51958 | 51957 | 51949 | 51948 | 51957 | 51949 | 51955 | 51953 | 51956 | 51952 | 51955 | 51964 | 51951 | 51957 |
20 | 51947 | 51958 | 51951 | 51946 | 51953 | 51947 | 51947 | 51946 | 51947 | 51957 | 51950 | 51961 | 51963 | 51966 | 51950 |
21 | 51947 | 51950 | 51947 | 51949 | 51948 | 51949 | 51963 | 51947 | 51953 | 51957 | 51950 | 51958 | 51957 | 51956 | 51958 |
22 | 51955 | 51958 | 51949 | 51946 | 51953 | 51960 | 51952 | 51956 | 51952 | 51958 | 51955 | 51956 | 51956 | 51955 | 51968 |
23 | 51946 | 51958 | 51957 | 51948 | 51947 | 51949 | 51953 | 51947 | 51946 | 51959 | 51950 | 51957 | 51963 | 51952 | 51957 |
25 | 51958 | 51959 | 51957 | 51934 | 51948 | 51948 | 51951 | 51954 | 51947 | 51959 | 51952 | 51956 | 51961 | 51964 | 51958 |
30 | 51935 | 51950 | 51957 | 51947 | 51953 | 51946 | 51949 | 51955 | 51948 | 51963 | 51942 | 51957 | 51964 | 51967 | 51948 |
40 | 51960 | 51961 | 51948 | 51946 | 51953 | 51948 | 51947 | 51950 | 51946 | 51956 | 51951 | 51957 | 51962 | 51956 | 51961 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 51958 bytes | – | 100% |
1,000 | 51951 bytes | -7 bytes | 100% |
10,000 | 51944 bytes | -7 bytes | 100% |
100,000 | 51933 bytes | -11 bytes | 2.90% |
1,000,000 | 51930 bytes | -3 bytes | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 52092 bytes | +162 bytes (+0.31%) | +70 bytes |
1 | 52022 bytes | +92 bytes (+0.18%) | – |
2 | 52031 bytes | +101 bytes (+0.19%) | +9 bytes |
3 | 52054 bytes | +124 bytes (+0.24%) | +32 bytes |
4 | 52093 bytes | +163 bytes (+0.31%) | +71 bytes |
5 | 52136 bytes | +206 bytes (+0.40%) | +114 bytes |
6 | 52151 bytes | +221 bytes (+0.43%) | +129 bytes |
7 | 52176 bytes | +246 bytes (+0.47%) | +154 bytes |
8 | 52171 bytes | +241 bytes (+0.46%) | +149 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 38332 bytes | -13598 bytes (-26.19%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 45662 bytes | -6268 bytes (-12.07%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 46567 bytes | -5363 bytes (-10.33%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 47897 bytes | -4033 bytes (-7.77%) |
LZMA2 (Wikipedia) | xz | xz -9 | 49040 bytes | -2890 bytes (-5.57%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 50510 bytes | -1420 bytes (-2.73%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 50649 bytes | -1281 bytes (-2.47%) |