gzip -6 (default) |
55505 bytes (54.2k)
|
local copy |
gzip -9 |
55439 bytes (54.1k)
|
local copy |
libdeflate -12 |
52790 bytes (51.6k)
|
local copy |
7zip -mx=9 -tgzip |
52761 bytes (51.5k)
|
local copy |
zultra |
52731 bytes (51.5k)
|
local copy |
pigz -11 -n |
52729 bytes (51.5k)
|
local copy |
kzip -s0 -rn -b1 |
52712 bytes (51.5k)
|
local copy |
Zopfli |
52620 bytes (51.4k)
|
local copy |
Zopfli (defluff) |
52617 bytes (51.4k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 2 | --mls2 |
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 |
---|---|---|---|
52620 bytes | -2 bytes | zopfli --i1000000 --mls2 --bsr12 --lazy --ohh | June 13, 2016 @ 13:28 |
52622 bytes | -4 bytes | zopfli --i100000 --mls2 --bsr12 --lazy --ohh | June 10, 2016 @ 20:08 |
52626 bytes | -4 bytes | zopfli --i100000 --mls8192 --bsr22 --lazy --ohh | June 10, 2016 @ 09:52 |
52630 bytes | -6 bytes | zopfli --i10000 --mls8192 --bsr22 --lazy --ohh | June 10, 2016 @ 08:52 |
52636 bytes | -1 byte | zopfli --i1000 --mls8192 --bsr22 --lazy --ohh | June 10, 2016 @ 08:45 |
52637 bytes | -1 byte | zopfli --i1000 --mls2 --bsr30 --lazy --ohh | June 10, 2016 @ 08:44 |
52638 bytes | -3 bytes | zopfli --i1000 --mls4096 --bsr9 --lazy --ohh | June 10, 2016 @ 08:41 |
52641 bytes | – | zopfli --i100 --mls2 --bsr7 --lazy --ohh | June 9, 2016 @ 17:56 |
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 | 52633 | 52634 | 52634 | 52635 | 52631 | 52632 | 52643 | 52642 | 52637 | 52644 | 52633 | 52638 | 52638 | 52644 | 52644 |
4 | 52630 | 52635 | 52634 | 52633 | 52633 | 52637 | 52639 | 52651 | 52637 | 52637 | 52639 | 52631 | 52639 | 52660 | 52635 |
6 | 52632 | 52633 | 52636 | 52636 | 52634 | 52648 | 52643 | 52644 | 52632 | 52643 | 52633 | 52645 | 52639 | 52642 | 52650 |
7 | 52630 | 52634 | 52631 | 52635 | 52636 | 52637 | 52630 | 52638 | 52639 | 52638 | 52635 | 52631 | 52632 | 52639 | 52657 |
8 | 52632 | 52633 | 52686 | 52632 | 52635 | 52629 | 52637 | 52633 | 52633 | 52640 | 52638 | 52645 | 52644 | 52642 | 52643 |
9 | 52633 | 52633 | 52631 | 52632 | 52630 | 52631 | 52633 | 52646 | 52634 | 52643 | 52638 | 52633 | 52642 | 52640 | 52651 |
10 | 52631 | 52634 | 52632 | 52632 | 52632 | 52631 | 52635 | 52632 | 52638 | 52639 | 52641 | 52632 | 52631 | 52652 | 52646 |
11 | 52634 | 52633 | 52635 | 52631 | 52631 | 52628 | 52647 | 52647 | 52642 | 52643 | 52638 | 52643 | 52638 | 52651 | 52645 |
12 | 52620 | 52634 | 52634 | 52641 | 52631 | 52635 | 52633 | 52634 | 52643 | 52643 | 52637 | 52642 | 52677 | 52655 | 52643 |
13 | 52632 | 52634 | 52635 | 52632 | 52631 | 52645 | 52638 | 52634 | 52640 | 52644 | 52637 | 52632 | 52639 | 52643 | 52643 |
14 | 52631 | 52633 | 52636 | 52633 | 52636 | 52632 | 52638 | 52635 | 52635 | 52642 | 52640 | 52635 | 52633 | 52645 | 52653 |
15 | 52631 | 52637 | 52635 | 52632 | 52636 | 52630 | 52633 | 52636 | 52641 | 52643 | 52641 | 52631 | 52638 | 52641 | 52643 |
16 | 52632 | 52635 | 52631 | 52636 | 52635 | 52628 | 52632 | 52648 | 52647 | 52642 | 52639 | 52636 | 52640 | 52643 | 52650 |
17 | 52634 | 52636 | 52632 | 52632 | 52632 | 52633 | 52633 | 52636 | 52633 | 52641 | 52642 | 52646 | 52638 | 52653 | 52645 |
18 | 52637 | 52636 | 52633 | 52638 | 52631 | 52635 | 52637 | 52647 | 52641 | 52643 | 52641 | 52635 | 52635 | 52653 | 52646 |
19 | 52632 | 52636 | 52633 | 52631 | 52631 | 52633 | 52631 | 52634 | 52639 | 52639 | 52635 | 52630 | 52679 | 52641 | 52646 |
20 | 52634 | 52634 | 52632 | 52631 | 52631 | 52631 | 52637 | 52629 | 52636 | 52643 | 52636 | 52636 | 52637 | 52647 | 52653 |
21 | 52632 | 52634 | 52630 | 52635 | 52636 | 52647 | 52638 | 52649 | 52630 | 52639 | 52639 | 52633 | 52633 | 52653 | 52645 |
22 | 52634 | 52633 | 52634 | 52633 | 52635 | 52648 | 52638 | 52637 | 52633 | 52642 | 52639 | 52634 | 52626 | 52638 | 52645 |
23 | 52631 | 52631 | 52630 | 52630 | 52631 | 52629 | 52634 | 52647 | 52648 | 52642 | 52642 | 52637 | 52629 | 52640 | 52647 |
25 | 52631 | 52633 | 52632 | 52632 | 52636 | 52632 | 52647 | 52647 | 52632 | 52640 | 52640 | 52631 | 52639 | 52650 | 52645 |
30 | 52630 | 52633 | 52631 | 52631 | 52637 | 52638 | 52632 | 52648 | 52648 | 52641 | 52640 | 52629 | 52634 | 52642 | 52652 |
40 | 52632 | 52633 | 52631 | 52632 | 52631 | 52628 | 52633 | 52647 | 52634 | 52640 | 52638 | 52636 | 52677 | 52642 | 52645 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 52641 bytes | – | 100% |
1,000 | 52636 bytes | -5 bytes | 100% |
10,000 | 52626 bytes | -10 bytes | 100% |
100,000 | 52622 bytes | -4 bytes | 0.58% |
1,000,000 | 52620 bytes | -2 bytes | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 52777 bytes | +157 bytes (+0.30%) | +65 bytes |
1 | 52712 bytes | +92 bytes (+0.17%) | – |
2 | 52740 bytes | +120 bytes (+0.23%) | +28 bytes |
3 | 52758 bytes | +138 bytes (+0.26%) | +46 bytes |
4 | 52774 bytes | +154 bytes (+0.29%) | +62 bytes |
5 | 52806 bytes | +186 bytes (+0.35%) | +94 bytes |
6 | 52843 bytes | +223 bytes (+0.42%) | +131 bytes |
7 | 52884 bytes | +264 bytes (+0.50%) | +172 bytes |
8 | 52901 bytes | +281 bytes (+0.53%) | +189 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 38753 bytes | -13867 bytes (-26.35%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 46223 bytes | -6397 bytes (-12.16%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 47101 bytes | -5519 bytes (-10.49%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 48539 bytes | -4081 bytes (-7.76%) |
LZMA2 (Wikipedia) | xz | xz -9 | 49656 bytes | -2964 bytes (-5.63%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 51189 bytes | -1431 bytes (-2.72%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 51443 bytes | -1177 bytes (-2.24%) |