gzip -6 (default) |
11092 bytes (10.8k)
|
local copy |
gzip -9 |
11091 bytes (10.8k)
|
local copy |
libdeflate -12 |
10830 bytes (10.6k)
|
local copy |
7zip -mx=9 -tgzip |
10753 bytes (10.5k)
|
local copy |
zultra |
10701 bytes (10.5k)
|
local copy |
kzip -s0 -rn -b0 |
10657 bytes (10.4k)
|
local copy |
pigz -11 -n |
10651 bytes (10.4k)
|
local copy |
Zopfli |
10630 bytes (10.4k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 16384 | --mls16384 |
block splitting recursion | 17 | --bsr17 |
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 |
---|---|---|---|
10630 bytes | -1 byte | zopfli --i100000 --mls16384 --bsr17 --lazy --ohh | November 23, 2015 @ 12:11 |
10631 bytes | -1 byte | zopfli --i10000 --mls16384 --bsr17 --lazy --ohh | November 23, 2015 @ 08:26 |
10632 bytes | -1 byte | zopfli --i1000 --mls16384 --bsr17 --lazy --ohh | September 22, 2015 @ 04:12 |
10633 bytes | -1 byte | zopfli --i1000 --mls16384 --bsr16 --lazy --ohh | September 16, 2015 @ 18:13 |
10634 bytes | -3 bytes | zopfli --i1000 --mls64 --bsr7 --lazy --ohh | September 16, 2015 @ 18:07 |
10637 bytes | – | zopfli --i100 --mls64 --bsr9 --lazy --ohh | September 11, 2015 @ 16:34 |
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 | 10683 | 10679 | 10685 | 10687 | 10684 | 10677 | 10673 | 10684 | 10696 | 10670 | 10667 | 10672 | 10675 | 10673 | 10698 |
4 | 10652 | 10653 | 10656 | 10652 | 10651 | 10652 | 10642 | 10639 | 10654 | 10655 | 10662 | 10653 | 10654 | 10654 | 10660 |
6 | 10646 | 10643 | 10644 | 10651 | 10649 | 10648 | 10636 | 10646 | 10642 | 10636 | 10634 | 10636 | 10636 | 10637 | 10639 |
7 | 10646 | 10646 | 10647 | 10647 | 10636 | 10633 | 10634 | 10636 | 10640 | 10634 | 10635 | 10636 | 10636 | 10639 | 10639 |
8 | 10647 | 10642 | 10644 | 10648 | 10636 | 10635 | 10635 | 10636 | 10638 | 10636 | 10633 | 10636 | 10632 | 10643 | 10639 |
9 | 10637 | 10639 | 10646 | 10649 | 10646 | 10633 | 10636 | 10644 | 10638 | 10638 | 10632 | 10633 | 10633 | 10659 | 10648 |
10 | 10639 | 10649 | 10640 | 10638 | 10637 | 10636 | 10636 | 10637 | 10640 | 10638 | 10633 | 10640 | 10635 | 10633 | 10642 |
11 | 10635 | 10635 | 10631 | 10637 | 10640 | 10641 | 10636 | 10636 | 10636 | 10638 | 10634 | 10636 | 10636 | 10633 | 10644 |
12 | 10641 | 10639 | 10643 | 10638 | 10637 | 10636 | 10635 | 10634 | 10638 | 10635 | 10636 | 10635 | 10637 | 10645 | 10645 |
13 | 10632 | 10637 | 10640 | 10639 | 10636 | 10634 | 10637 | 10637 | 10637 | 10634 | 10632 | 10639 | 10635 | 10632 | 10638 |
14 | 10646 | 10645 | 10643 | 10648 | 10647 | 10641 | 10637 | 10636 | 10644 | 10639 | 10635 | 10635 | 10634 | 10642 | 10646 |
15 | 10639 | 10639 | 10644 | 10636 | 10641 | 10634 | 10634 | 10636 | 10637 | 10635 | 10634 | 10636 | 10633 | 10632 | 10633 |
16 | 10651 | 10638 | 10638 | 10641 | 10641 | 10638 | 10636 | 10638 | 10639 | 10636 | 10634 | 10636 | 10633 | 10632 | 10636 |
17 | 10646 | 10638 | 10632 | 10641 | 10639 | 10635 | 10637 | 10637 | 10639 | 10635 | 10634 | 10636 | 10638 | 10630 | 10644 |
18 | 10642 | 10642 | 10635 | 10640 | 10637 | 10636 | 10636 | 10635 | 10638 | 10633 | 10632 | 10635 | 10635 | 10643 | 10638 |
19 | 10642 | 10640 | 10633 | 10638 | 10644 | 10632 | 10636 | 10643 | 10638 | 10639 | 10635 | 10632 | 10632 | 10633 | 10638 |
20 | 10638 | 10642 | 10640 | 10637 | 10639 | 10636 | 10634 | 10636 | 10637 | 10634 | 10635 | 10636 | 10636 | 10630 | 10639 |
21 | 10641 | 10639 | 10645 | 10638 | 10637 | 10637 | 10637 | 10636 | 10636 | 10632 | 10634 | 10636 | 10636 | 10634 | 10638 |
22 | 10632 | 10634 | 10638 | 10639 | 10637 | 10637 | 10635 | 10636 | 10636 | 10637 | 10633 | 10633 | 10633 | 10642 | 10648 |
23 | 10634 | 10634 | 10639 | 10634 | 10638 | 10634 | 10637 | 10636 | 10637 | 10635 | 10633 | 10634 | 10636 | 10632 | 10639 |
25 | 10632 | 10640 | 10639 | 10639 | 10636 | 10633 | 10635 | 10635 | 10637 | 10636 | 10634 | 10638 | 10633 | 10638 | 10634 |
30 | 10638 | 10638 | 10643 | 10638 | 10637 | 10634 | 10636 | 10636 | 10637 | 10635 | 10634 | 10636 | 10637 | 10634 | 10651 |
40 | 10642 | 10642 | 10639 | 10640 | 10638 | 10638 | 10637 | 10639 | 10638 | 10636 | 10634 | 10633 | 10639 | 10633 | 10632 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 10635 bytes | – | 100% |
1,000 | 10632 bytes | -3 bytes | 100% |
10,000 | 10631 bytes | -1 byte | 100% |
100,000 | 10630 bytes | -1 byte | 1.74% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 10657 bytes | +27 bytes (+0.25%) | – |
1 | 10829 bytes | +199 bytes (+1.87%) | +172 bytes |
2 | 10657 bytes | +27 bytes (+0.25%) | – |
3 | 10658 bytes | +28 bytes (+0.26%) | +1 byte |
4 | 10673 bytes | +43 bytes (+0.40%) | +16 bytes |
5 | 10697 bytes | +67 bytes (+0.63%) | +40 bytes |
6 | 10703 bytes | +73 bytes (+0.69%) | +46 bytes |
7 | 10738 bytes | +108 bytes (+1.02%) | +81 bytes |
8 | 10770 bytes | +140 bytes (+1.32%) | +113 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
Brotli (Wikipedia) | brotli | brotli -q 11 | 9860 bytes | -770 bytes (-7.24%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 10094 bytes | -536 bytes (-5.04%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 10169 bytes | -461 bytes (-4.34%) |
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 10230 bytes | -400 bytes (-3.76%) |
LZMA2 (Wikipedia) | xz | xz -9 | 10440 bytes | -190 bytes (-1.79%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 10782 bytes | +152 bytes (+1.43%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 10921 bytes | +291 bytes (+2.74%) |