gzip -6 (default) |
55553 bytes (54.3k)
|
local copy |
gzip -9 |
55485 bytes (54.2k)
|
local copy |
libdeflate -12 |
52857 bytes (51.6k)
|
local copy |
7zip -mx=9 -tgzip |
52799 bytes (51.6k)
|
local copy |
zultra |
52774 bytes (51.5k)
|
local copy |
pigz -11 -n |
52772 bytes (51.5k)
|
local copy |
kzip -s0 -rn -b1 |
52753 bytes (51.5k)
|
local copy |
Zopfli |
52663 bytes (51.4k)
|
local copy |
Zopfli (defluff) |
52661 bytes (51.4k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 2 | --mls2 |
block splitting recursion | 7 | --bsr7 |
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 |
---|---|---|---|
52663 bytes | -6 bytes | zopfli --i100000 --mls2 --bsr7 --lazy --ohh | December 18, 2016 @ 23:45 |
52669 bytes | -7 bytes | zopfli --i10000 --mls2 --bsr7 --lazy --ohh | December 18, 2016 @ 22:49 |
52676 bytes | -5 bytes | zopfli --i1000 --mls2 --bsr7 --lazy --ohh | December 18, 2016 @ 22:35 |
52681 bytes | – | zopfli --i100 --mls2 --bsr7 --lazy --ohh | December 18, 2016 @ 22:25 |
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 | 52672 | 52675 | 52677 | 52677 | 52671 | 52675 | 52681 | 52685 | 52675 | 52686 | 52687 | 52679 | 52686 | 52684 | 52685 |
4 | 52672 | 52675 | 52674 | 52671 | 52673 | 52678 | 52676 | 52675 | 52678 | 52680 | 52671 | 52671 | 52683 | 52703 | 52679 |
6 | 52674 | 52673 | 52678 | 52675 | 52680 | 52685 | 52683 | 52684 | 52684 | 52685 | 52675 | 52675 | 52681 | 52697 | 52688 |
7 | 52663 | 52714 | 52711 | 52673 | 52676 | 52678 | 52678 | 52676 | 52681 | 52678 | 52681 | 52676 | 52676 | 52683 | 52683 |
8 | 52673 | 52674 | 52675 | 52671 | 52674 | 52675 | 52687 | 52677 | 52674 | 52682 | 52685 | 52677 | 52687 | 52682 | 52682 |
9 | 52675 | 52675 | 52671 | 52671 | 52670 | 52677 | 52679 | 52688 | 52675 | 52684 | 52681 | 52684 | 52684 | 52697 | 52692 |
10 | 52666 | 52676 | 52675 | 52670 | 52671 | 52671 | 52679 | 52672 | 52679 | 52682 | 52678 | 52672 | 52680 | 52694 | 52688 |
11 | 52673 | 52671 | 52672 | 52670 | 52671 | 52668 | 52686 | 52687 | 52673 | 52684 | 52680 | 52676 | 52682 | 52680 | 52676 |
12 | 52674 | 52676 | 52671 | 52670 | 52672 | 52674 | 52673 | 52676 | 52679 | 52684 | 52678 | 52672 | 52679 | 52693 | 52686 |
13 | 52675 | 52674 | 52675 | 52679 | 52671 | 52690 | 52678 | 52676 | 52681 | 52684 | 52679 | 52672 | 52681 | 52685 | 52694 |
14 | 52671 | 52672 | 52671 | 52671 | 52670 | 52671 | 52677 | 52675 | 52674 | 52681 | 52681 | 52678 | 52680 | 52686 | 52697 |
15 | 52671 | 52674 | 52675 | 52667 | 52679 | 52671 | 52671 | 52687 | 52685 | 52684 | 52681 | 52670 | 52680 | 52680 | 52688 |
16 | 52670 | 52679 | 52672 | 52674 | 52676 | 52670 | 52672 | 52683 | 52682 | 52683 | 52677 | 52673 | 52681 | 52684 | 52685 |
17 | 52673 | 52678 | 52671 | 52671 | 52671 | 52671 | 52673 | 52676 | 52679 | 52682 | 52683 | 52676 | 52679 | 52691 | 52687 |
18 | 52676 | 52689 | 52672 | 52673 | 52671 | 52675 | 52687 | 52687 | 52679 | 52684 | 52683 | 52675 | 52684 | 52695 | 52675 |
19 | 52675 | 52677 | 52672 | 52670 | 52670 | 52670 | 52671 | 52677 | 52680 | 52685 | 52677 | 52675 | 52681 | 52694 | 52676 |
20 | 52676 | 52673 | 52677 | 52678 | 52671 | 52670 | 52678 | 52671 | 52680 | 52684 | 52681 | 52676 | 52681 | 52687 | 52695 |
21 | 52674 | 52676 | 52672 | 52666 | 52677 | 52690 | 52680 | 52687 | 52676 | 52680 | 52677 | 52676 | 52680 | 52691 | 52687 |
22 | 52676 | 52674 | 52672 | 52671 | 52676 | 52676 | 52677 | 52677 | 52680 | 52685 | 52678 | 52671 | 52687 | 52679 | 52687 |
23 | 52674 | 52666 | 52671 | 52671 | 52671 | 52671 | 52688 | 52687 | 52689 | 52685 | 52679 | 52672 | 52679 | 52684 | 52670 |
25 | 52672 | 52668 | 52671 | 52671 | 52676 | 52668 | 52679 | 52677 | 52676 | 52681 | 52680 | 52670 | 52683 | 52693 | 52673 |
30 | 52672 | 52672 | 52674 | 52664 | 52673 | 52670 | 52671 | 52676 | 52687 | 52681 | 52683 | 52672 | 52679 | 52686 | 52693 |
40 | 52671 | 52668 | 52675 | 52667 | 52671 | 52671 | 52674 | 52687 | 52684 | 52681 | 52679 | 52671 | 52679 | 52691 | 52680 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 52681 bytes | – | 100% |
1,000 | 52676 bytes | -5 bytes | 100% |
10,000 | 52669 bytes | -7 bytes | 100% |
100,000 | 52663 bytes | -6 bytes | 3.19% |
1,000,000 | 52663 bytes | – | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 52815 bytes | +152 bytes (+0.29%) | +62 bytes |
1 | 52753 bytes | +90 bytes (+0.17%) | – |
2 | 52777 bytes | +114 bytes (+0.22%) | +24 bytes |
3 | 52797 bytes | +134 bytes (+0.25%) | +44 bytes |
4 | 52815 bytes | +152 bytes (+0.29%) | +62 bytes |
5 | 52841 bytes | +178 bytes (+0.34%) | +88 bytes |
6 | 52879 bytes | +216 bytes (+0.41%) | +126 bytes |
7 | 52917 bytes | +254 bytes (+0.48%) | +164 bytes |
8 | 52930 bytes | +267 bytes (+0.51%) | +177 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 38787 bytes | -13876 bytes (-26.35%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 46260 bytes | -6403 bytes (-12.16%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 47164 bytes | -5499 bytes (-10.44%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 48622 bytes | -4041 bytes (-7.67%) |
LZMA2 (Wikipedia) | xz | xz -9 | 49712 bytes | -2951 bytes (-5.60%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 51234 bytes | -1429 bytes (-2.71%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 51461 bytes | -1202 bytes (-2.28%) |