gzip -6 (default) |
55840 bytes (54.5k)
|
local copy |
gzip -9 |
55789 bytes (54.5k)
|
local copy |
libdeflate -12 |
53131 bytes (51.9k)
|
local copy |
7zip -mx=9 -tgzip |
53114 bytes (51.9k)
|
local copy |
zultra |
53055 bytes (51.8k)
|
local copy |
pigz -11 -n |
53042 bytes (51.8k)
|
local copy |
kzip -s0 -rn -b1 |
53030 bytes (51.8k)
|
local copy |
Zopfli |
52936 bytes (51.7k)
|
local copy |
Zopfli (defluff) |
52935 bytes (51.7k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 64 | --mls64 |
block splitting recursion | 40 | --bsr40 |
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 |
---|---|---|---|
52936 bytes | -1 byte | zopfli --i1000000 --mls64 --bsr40 --lazy --ohh | March 17, 2022 @ 17:20 |
52937 bytes | -4 bytes | zopfli --i100000 --mls8 --bsr23 --lazy --ohh | November 29, 2017 @ 07:29 |
52941 bytes | -1 byte | zopfli --i100000 --mls8 --bsr12 --lazy --ohh | November 29, 2017 @ 07:27 |
52942 bytes | -2 bytes | zopfli --i10000 --mls8 --bsr12 --lazy --ohh | November 28, 2017 @ 14:41 |
52944 bytes | -3 bytes | zopfli --i10000 --mls2 --bsr25 --lazy --ohh | November 28, 2017 @ 14:35 |
52947 bytes | -5 bytes | zopfli --i10000 --mls4 --bsr14 --lazy --ohh | November 28, 2017 @ 14:30 |
52952 bytes | -1 byte | zopfli --i1000 --mls4 --bsr14 --lazy --ohh | November 28, 2017 @ 12:59 |
52953 bytes | -2 bytes | zopfli --i1000 --mls8 --bsr15 --lazy --ohh | November 28, 2017 @ 12:56 |
52955 bytes | – | zopfli --i100 --mls256 --bsr8 --lazy --ohh | November 28, 2017 @ 12:49 |
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 | 52945 | 52945 | 52946 | 52947 | 52946 | 52949 | 52950 | 52951 | 52949 | 52960 | 52966 | 52947 | 52958 | 52983 | 52973 |
4 | 52945 | 52945 | 52950 | 52955 | 52961 | 52950 | 52949 | 52944 | 52949 | 52953 | 52955 | 52949 | 52956 | 52962 | 52958 |
6 | 52949 | 52944 | 52946 | 52946 | 52956 | 52949 | 52948 | 52944 | 52952 | 52952 | 52974 | 52952 | 52952 | 52962 | 52954 |
7 | 52983 | 52987 | 52986 | 52961 | 52943 | 52952 | 52948 | 52948 | 52955 | 52950 | 52972 | 52954 | 52953 | 52976 | 52955 |
8 | 52945 | 52979 | 52943 | 52947 | 52946 | 52963 | 52949 | 52944 | 52955 | 52951 | 52958 | 52956 | 52955 | 52957 | 52958 |
9 | 52937 | 52981 | 52947 | 52948 | 52948 | 52948 | 52938 | 52945 | 52953 | 52955 | 52957 | 52954 | 52953 | 52960 | 52955 |
10 | 52979 | 52980 | 52945 | 52960 | 52962 | 52949 | 52948 | 52943 | 52953 | 52951 | 52973 | 52945 | 52951 | 52963 | 52954 |
11 | 52950 | 52977 | 52945 | 52952 | 52951 | 52960 | 52948 | 52943 | 52950 | 52956 | 52958 | 52954 | 52953 | 52962 | 52957 |
12 | 52945 | 52943 | 52941 | 52961 | 52950 | 52947 | 52948 | 52949 | 52954 | 52953 | 52956 | 52947 | 52957 | 52963 | 52957 |
13 | 52944 | 52980 | 52948 | 52946 | 52948 | 52951 | 52948 | 52945 | 52952 | 52955 | 52956 | 52954 | 52952 | 52962 | 52954 |
14 | 52945 | 52947 | 52982 | 52950 | 52948 | 52948 | 52948 | 52951 | 52954 | 52953 | 52971 | 52953 | 52954 | 52966 | 52971 |
15 | 52944 | 52980 | 52941 | 52952 | 52946 | 52944 | 52938 | 52946 | 52955 | 52950 | 52971 | 52957 | 52953 | 52974 | 52954 |
16 | 52945 | 52981 | 52943 | 52984 | 52949 | 52944 | 52947 | 52943 | 52952 | 52955 | 52954 | 52954 | 52953 | 52967 | 52955 |
17 | 52945 | 52980 | 52942 | 52947 | 52947 | 52967 | 52947 | 52954 | 52955 | 52952 | 52958 | 52947 | 52967 | 52961 | 52955 |
18 | 52944 | 52978 | 52941 | 52944 | 52944 | 52948 | 52948 | 52945 | 52948 | 52953 | 52972 | 52954 | 52958 | 52964 | 52953 |
19 | 52947 | 52982 | 52943 | 52946 | 52961 | 52949 | 52948 | 52944 | 52946 | 52971 | 52956 | 52951 | 52961 | 52963 | 52954 |
20 | 52947 | 52945 | 52943 | 52945 | 52945 | 52948 | 52949 | 52954 | 52953 | 52953 | 52956 | 52949 | 52953 | 52953 | 52959 |
21 | 52978 | 52980 | 52941 | 52945 | 52945 | 52949 | 52948 | 52945 | 52953 | 52956 | 52974 | 52954 | 52958 | 52964 | 52955 |
22 | 52981 | 52981 | 52938 | 52946 | 52944 | 52943 | 52948 | 52949 | 52952 | 52955 | 52972 | 52953 | 52953 | 52966 | 52953 |
23 | 52947 | 52980 | 52937 | 52946 | 52951 | 52944 | 52943 | 52955 | 52952 | 52957 | 52957 | 52945 | 52952 | 52963 | 52952 |
25 | 52944 | 52982 | 52950 | 52945 | 52950 | 52944 | 52957 | 52954 | 52952 | 52953 | 52955 | 52955 | 52961 | 52962 | 52954 |
30 | 52944 | 52943 | 52943 | 52946 | 52948 | 52938 | 52948 | 52945 | 52946 | 52955 | 52956 | 52954 | 52954 | 52963 | 52955 |
40 | 52944 | 52980 | 52943 | 52946 | 52949 | 52936 | 52957 | 52944 | 52955 | 52953 | 52971 | 52954 | 52955 | 52960 | 52955 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 52955 bytes | – | 100% |
1,000 | 52952 bytes | -3 bytes | 100% |
10,000 | 52942 bytes | -10 bytes | 100% |
100,000 | 52937 bytes | -5 bytes | 4.64% |
1,000,000 | 52936 bytes | -1 byte | 0.87% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 53101 bytes | +165 bytes (+0.31%) | +71 bytes |
1 | 53030 bytes | +94 bytes (+0.18%) | – |
2 | 53049 bytes | +113 bytes (+0.21%) | +19 bytes |
3 | 53103 bytes | +167 bytes (+0.32%) | +73 bytes |
4 | 53133 bytes | +197 bytes (+0.37%) | +103 bytes |
5 | 53179 bytes | +243 bytes (+0.46%) | +149 bytes |
6 | 53201 bytes | +265 bytes (+0.50%) | +171 bytes |
7 | 53245 bytes | +309 bytes (+0.58%) | +215 bytes |
8 | 53264 bytes | +328 bytes (+0.62%) | +234 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 38921 bytes | -14015 bytes (-26.48%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 46455 bytes | -6481 bytes (-12.24%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 47411 bytes | -5525 bytes (-10.44%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 48899 bytes | -4037 bytes (-7.63%) |
LZMA2 (Wikipedia) | xz | xz -9 | 49976 bytes | -2960 bytes (-5.59%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 51551 bytes | -1385 bytes (-2.62%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 51616 bytes | -1320 bytes (-2.49%) |