gzip -6 (default) |
42303 bytes (41.3k)
|
local copy |
unpkg |
42274 bytes (41.3k)
|
CDN |
gzip -9 |
42186 bytes (41.2k)
|
local copy |
7zip -mx=9 -tgzip |
40798 bytes (39.8k)
|
local copy |
zultra |
40766 bytes (39.8k)
|
local copy |
libdeflate -12 |
40760 bytes (39.8k)
|
local copy |
pigz -11 -n |
40727 bytes (39.8k)
|
local copy |
kzip -s0 -rn -b8 |
40654 bytes (39.7k)
|
local copy |
Zopfli |
40512 bytes (39.6k)
|
local copy |
Zopfli (defluff) |
40511 bytes (39.6k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 256 | --mls256 |
block splitting recursion | 14 | --bsr14 |
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 |
CDN | Size (compressed) | MD5 (uncompressed) | Timestamp |
---|---|---|---|
unpkg | 42274 bytes | 58340b7108bd9821f6e0df0b3a27bfb1 | July 11, 2016 @ 16:32 |
Size | Improvement | Parameters | Found |
---|---|---|---|
40512 bytes | -8 bytes | zopfli --i100000 --mls256 --bsr14 --lazy --ohh | November 23, 2015 @ 16:52 |
40520 bytes | -3 bytes | zopfli --i10000 --mls256 --bsr14 --lazy --ohh | October 14, 2015 @ 11:21 |
40523 bytes | -2 bytes | zopfli --i1000 --mls256 --bsr14 --lazy --ohh | September 20, 2015 @ 21:45 |
40525 bytes | -11 bytes | zopfli --i1000 --mls8 --bsr14 --lazy --ohh | September 20, 2015 @ 21:27 |
40536 bytes | – | zopfli --i100 --mls8 --bsr14 --lazy --ohh | September 18, 2015 @ 22:04 |
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 | 40632 | 40649 | 40715 | 40699 | 40645 | 40648 | 40645 | 40696 | 40648 | 40721 | 40722 | 40610 | 40719 | 40718 | 40730 |
4 | 40697 | 40606 | 40705 | 40610 | 40697 | 40699 | 40711 | 40704 | 40701 | 40724 | 40528 | 40544 | 40724 | 40625 | 40722 |
6 | 40567 | 40579 | 40696 | 40541 | 40685 | 40531 | 40693 | 40691 | 40694 | 40721 | 40713 | 40716 | 40717 | 40635 | 40727 |
7 | 40546 | 40615 | 40540 | 40544 | 40550 | 40607 | 40691 | 40589 | 40559 | 40721 | 40691 | 40597 | 40717 | 40606 | 40720 |
8 | 40625 | 40617 | 40621 | 40544 | 40700 | 40554 | 40599 | 40580 | 40579 | 40532 | 40575 | 40600 | 40720 | 40564 | 40628 |
9 | 40566 | 40546 | 40575 | 40562 | 40567 | 40583 | 40635 | 40693 | 40605 | 40715 | 40576 | 40713 | 40717 | 40586 | 40718 |
10 | 40542 | 40605 | 40603 | 40613 | 40533 | 40600 | 40633 | 40571 | 40572 | 40578 | 40577 | 40571 | 40717 | 40622 | 40720 |
11 | 40572 | 40566 | 40570 | 40562 | 40602 | 40542 | 40686 | 40701 | 40703 | 40721 | 40528 | 40625 | 40717 | 40723 | 40721 |
12 | 40574 | 40572 | 40628 | 40537 | 40701 | 40542 | 40562 | 40582 | 40584 | 40543 | 40527 | 40580 | 40716 | 40626 | 40614 |
13 | 40572 | 40565 | 40583 | 40534 | 40584 | 40558 | 40546 | 40588 | 40690 | 40721 | 40721 | 40716 | 40719 | 40637 | 40718 |
14 | 40561 | 40567 | 40521 | 40560 | 40699 | 40532 | 40589 | 40512 | 40564 | 40524 | 40521 | 40595 | 40716 | 40635 | 40727 |
15 | 40567 | 40571 | 40585 | 40561 | 40569 | 40579 | 40581 | 40578 | 40587 | 40721 | 40571 | 40577 | 40717 | 40617 | 40735 |
16 | 40536 | 40589 | 40592 | 40567 | 40576 | 40611 | 40685 | 40693 | 40558 | 40721 | 40532 | 40582 | 40735 | 40625 | 40717 |
17 | 40537 | 40536 | 40573 | 40562 | 40576 | 40598 | 40591 | 40695 | 40581 | 40707 | 40707 | 40581 | 40718 | 40628 | 40718 |
18 | 40558 | 40560 | 40705 | 40566 | 40579 | 40564 | 40578 | 40695 | 40581 | 40589 | 40559 | 40584 | 40721 | 40632 | 40718 |
19 | 40599 | 40566 | 40588 | 40568 | 40581 | 40527 | 40575 | 40582 | 40585 | 40531 | 40573 | 40588 | 40717 | 40717 | 40718 |
20 | 40570 | 40634 | 40547 | 40559 | 40700 | 40563 | 40574 | 40691 | 40715 | 40721 | 40721 | 40591 | 40717 | 40607 | 40602 |
21 | 40580 | 40574 | 40598 | 40585 | 40697 | 40580 | 40590 | 40582 | 40573 | 40533 | 40588 | 40574 | 40718 | 40632 | 40718 |
22 | 40577 | 40582 | 40632 | 40560 | 40699 | 40641 | 40574 | 40581 | 40581 | 40722 | 40721 | 40591 | 40720 | 40719 | 40720 |
23 | 40575 | 40569 | 40694 | 40562 | 40697 | 40559 | 40554 | 40565 | 40539 | 40721 | 40575 | 40596 | 40717 | 40614 | 40717 |
25 | 40572 | 40566 | 40582 | 40560 | 40557 | 40601 | 40600 | 40695 | 40540 | 40721 | 40522 | 40570 | 40716 | 40627 | 40717 |
30 | 40563 | 40582 | 40700 | 40605 | 40698 | 40588 | 40561 | 40584 | 40576 | 40587 | 40588 | 40584 | 40718 | 40626 | 40718 |
40 | 40579 | 40567 | 40579 | 40571 | 40572 | 40607 | 40601 | 40589 | 40561 | 40723 | 40535 | 40706 | 40721 | 40629 | 40601 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 40536 bytes | – | 100% |
1,000 | 40523 bytes | -13 bytes | 100% |
10,000 | 40520 bytes | -3 bytes | 100% |
100,000 | 40512 bytes | -8 bytes | 0.29% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 40740 bytes | +228 bytes (+0.56%) | +86 bytes |
1 | 40743 bytes | +231 bytes (+0.57%) | +89 bytes |
2 | 40739 bytes | +227 bytes (+0.56%) | +85 bytes |
3 | 40752 bytes | +240 bytes (+0.59%) | +98 bytes |
4 | 40750 bytes | +238 bytes (+0.59%) | +96 bytes |
5 | 40771 bytes | +259 bytes (+0.64%) | +117 bytes |
6 | 40758 bytes | +246 bytes (+0.61%) | +104 bytes |
7 | 40750 bytes | +238 bytes (+0.59%) | +96 bytes |
8 | 40654 bytes | +142 bytes (+0.35%) | – |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 32813 bytes | -7699 bytes (-19.00%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 34621 bytes | -5891 bytes (-14.54%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 36104 bytes | -4408 bytes (-10.88%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 36852 bytes | -3660 bytes (-9.03%) |
LZMA2 (Wikipedia) | xz | xz -9 | 37632 bytes | -2880 bytes (-7.11%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 39205 bytes | -1307 bytes (-3.23%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 39280 bytes | -1232 bytes (-3.04%) |