gzip -6 (default) |
56491 bytes (55.2k)
|
local copy |
gzip -9 |
56429 bytes (55.1k)
|
local copy |
libdeflate -12 |
53749 bytes (52.5k)
|
local copy |
7zip -mx=9 -tgzip |
53721 bytes (52.5k)
|
local copy |
zultra |
53658 bytes (52.4k)
|
local copy |
kzip -s0 -rn -b1 |
53645 bytes (52.4k)
|
local copy |
pigz -11 -n |
53634 bytes (52.4k)
|
local copy |
Zopfli |
53553 bytes (52.3k)
|
local copy |
Zopfli (defluff) |
53550 bytes (52.3k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 32 | --mls32 |
block splitting recursion | 22 | --bsr22 |
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 |
---|---|---|---|
53553 bytes | -1 byte | zopfli --i1000000 --mls32 --bsr22 --lazy --ohh | February 21, 2020 @ 19:14 |
53554 bytes | -1 byte | zopfli --i1000000 --mls128 --bsr17 --lazy --ohh | February 21, 2020 @ 01:32 |
53555 bytes | -7 bytes | zopfli --i100000 --mls128 --bsr17 --lazy --ohh | February 20, 2020 @ 12:39 |
53562 bytes | -2 bytes | zopfli --i10000 --mls128 --bsr17 --lazy --ohh | February 19, 2020 @ 22:13 |
53564 bytes | -1 byte | zopfli --i10000 --mls256 --bsr13 --lazy --ohh | February 19, 2020 @ 21:30 |
53565 bytes | -1 byte | zopfli --i10000 --mls8 --bsr14 --lazy --ohh | February 19, 2020 @ 19:34 |
53566 bytes | -1 byte | zopfli --i10000 --mls1024 --bsr7 --lazy --ohh | February 19, 2020 @ 18:50 |
53567 bytes | -1 byte | zopfli --i1000 --mls128 --bsr16 --lazy --ohh | February 19, 2020 @ 16:33 |
53568 bytes | -1 byte | zopfli --i1000 --mls128 --bsr19 --lazy --ohh | February 19, 2020 @ 14:49 |
53569 bytes | – | zopfli --i100 --mls64 --bsr2 --lazy --ohh | February 19, 2020 @ 13:36 |
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 | 53604 | 53583 | 53564 | 53565 | 53562 | 53563 | 53561 | 53560 | 53582 | 53585 | 53582 | 53567 | 53567 | 53598 | 53581 |
4 | 53605 | 53604 | 53606 | 53564 | 53566 | 53578 | 53564 | 53563 | 53572 | 53572 | 53569 | 53567 | 53565 | 53586 | 53567 |
6 | 53564 | 53564 | 53594 | 53564 | 53572 | 53570 | 53573 | 53573 | 53570 | 53577 | 53578 | 53583 | 53570 | 53574 | 53576 |
7 | 53596 | 53605 | 53599 | 53592 | 53580 | 53576 | 53569 | 53566 | 53570 | 53566 | 53571 | 53567 | 53571 | 53569 | 53577 |
8 | 53608 | 53596 | 53600 | 53565 | 53566 | 53579 | 53560 | 53563 | 53579 | 53570 | 53580 | 53573 | 53581 | 53579 | 53574 |
9 | 53602 | 53612 | 53567 | 53564 | 53563 | 53567 | 53563 | 53563 | 53570 | 53571 | 53588 | 53579 | 53572 | 53582 | 53569 |
10 | 53564 | 53593 | 53598 | 53603 | 53566 | 53582 | 53565 | 53573 | 53573 | 53572 | 53578 | 53562 | 53571 | 53583 | 53578 |
11 | 53600 | 53579 | 53567 | 53595 | 53565 | 53564 | 53562 | 53562 | 53572 | 53571 | 53579 | 53587 | 53572 | 53588 | 53570 |
12 | 53590 | 53602 | 53599 | 53603 | 53562 | 53563 | 53562 | 53562 | 53573 | 53570 | 53576 | 53573 | 53572 | 53571 | 53580 |
13 | 53593 | 53600 | 53593 | 53565 | 53563 | 53572 | 53562 | 53564 | 53571 | 53569 | 53577 | 53575 | 53573 | 53581 | 53571 |
14 | 53565 | 53579 | 53565 | 53600 | 53562 | 53563 | 53568 | 53562 | 53572 | 53572 | 53578 | 53587 | 53572 | 53578 | 53581 |
15 | 53593 | 53600 | 53566 | 53593 | 53564 | 53576 | 53558 | 53572 | 53570 | 53572 | 53576 | 53564 | 53572 | 53578 | 53578 |
16 | 53593 | 53599 | 53592 | 53565 | 53567 | 53578 | 53558 | 53572 | 53572 | 53571 | 53574 | 53575 | 53574 | 53571 | 53575 |
17 | 53590 | 53599 | 53599 | 53601 | 53567 | 53577 | 53554 | 53572 | 53570 | 53571 | 53586 | 53586 | 53571 | 53578 | 53581 |
18 | 53595 | 53566 | 53598 | 53592 | 53564 | 53565 | 53560 | 53563 | 53571 | 53575 | 53577 | 53582 | 53577 | 53586 | 53583 |
19 | 53563 | 53594 | 53567 | 53565 | 53565 | 53572 | 53562 | 53561 | 53570 | 53570 | 53583 | 53586 | 53572 | 53583 | 53579 |
20 | 53595 | 53564 | 53596 | 53564 | 53565 | 53567 | 53562 | 53572 | 53582 | 53570 | 53575 | 53565 | 53572 | 53587 | 53570 |
21 | 53589 | 53602 | 53600 | 53599 | 53565 | 53566 | 53562 | 53565 | 53570 | 53570 | 53579 | 53574 | 53577 | 53582 | 53576 |
22 | 53578 | 53600 | 53568 | 53565 | 53553 | 53582 | 53562 | 53572 | 53573 | 53570 | 53573 | 53565 | 53571 | 53582 | 53580 |
23 | 53564 | 53591 | 53554 | 53564 | 53564 | 53576 | 53560 | 53570 | 53574 | 53571 | 53573 | 53582 | 53572 | 53580 | 53580 |
25 | 53597 | 53596 | 53596 | 53600 | 53562 | 53578 | 53572 | 53564 | 53573 | 53572 | 53577 | 53575 | 53576 | 53582 | 53580 |
30 | 53592 | 53597 | 53593 | 53601 | 53567 | 53568 | 53562 | 53572 | 53572 | 53572 | 53582 | 53577 | 53581 | 53582 | 53581 |
40 | 53592 | 53596 | 53592 | 53564 | 53564 | 53579 | 53560 | 53573 | 53571 | 53569 | 53572 | 53582 | 53571 | 53583 | 53579 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 53569 bytes | – | 100% |
1,000 | 53567 bytes | -2 bytes | 100% |
10,000 | 53559 bytes | -8 bytes | 100% |
100,000 | 53555 bytes | -4 bytes | 1.45% |
1,000,000 | 53553 bytes | -2 bytes | 0.87% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 53733 bytes | +180 bytes (+0.34%) | +88 bytes |
1 | 53645 bytes | +92 bytes (+0.17%) | – |
2 | 53670 bytes | +117 bytes (+0.22%) | +25 bytes |
3 | 53692 bytes | +139 bytes (+0.26%) | +47 bytes |
4 | 53726 bytes | +173 bytes (+0.32%) | +81 bytes |
5 | 53723 bytes | +170 bytes (+0.32%) | +78 bytes |
6 | 53725 bytes | +172 bytes (+0.32%) | +80 bytes |
7 | 53766 bytes | +213 bytes (+0.40%) | +121 bytes |
8 | 53795 bytes | +242 bytes (+0.45%) | +150 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 39404 bytes | -14149 bytes (-26.42%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 47010 bytes | -6543 bytes (-12.22%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 47919 bytes | -5634 bytes (-10.52%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 49452 bytes | -4101 bytes (-7.66%) |
LZMA2 (Wikipedia) | xz | xz -9 | 50500 bytes | -3053 bytes (-5.70%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 51870 bytes | -1683 bytes (-3.14%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 52249 bytes | -1304 bytes (-2.43%) |