gzip -6 (default) |
16097 bytes (15.7k)
|
local copy |
gzip -9 |
16054 bytes (15.7k)
|
local copy |
libdeflate -12 |
15507 bytes (15.1k)
|
local copy |
kzip -s0 -rn -b0 |
15480 bytes (15.1k)
|
local copy |
7zip -mx=9 -tgzip |
15468 bytes (15.1k)
|
local copy |
zultra |
15468 bytes (15.1k)
|
local copy |
pigz -11 -n |
15436 bytes (15.1k)
|
local copy |
Zopfli |
15421 bytes (15.1k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 16 | --mls16 |
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 |
---|---|---|---|
15421 bytes | -1 byte | zopfli --i100000 --mls16 --bsr22 --lazy --ohh | January 7, 2016 @ 11:59 |
15422 bytes | -2 bytes | zopfli --i100000 --mls512 --bsr4 --lazy --ohh | September 2, 2015 @ 02:25 |
15424 bytes | -1 byte | zopfli --i1000 --mls512 --bsr4 --lazy --ohh | September 1, 2015 @ 20:41 |
15425 bytes | – | zopfli --i100 --mls512 --bsr4 --lazy --ohh | September 1, 2015 @ 20:29 |
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 | 15444 | 15444 | 15445 | 15429 | 15439 | 15439 | 15440 | 15441 | 15442 | 15435 | 15433 | 15429 | 15443 | 15445 | 15435 |
4 | 15447 | 15446 | 15446 | 15428 | 15428 | 15429 | 15427 | 15429 | 15422 | 15428 | 15427 | 15428 | 15429 | 15430 | 15429 |
6 | 15441 | 15441 | 15431 | 15429 | 15430 | 15429 | 15426 | 15434 | 15429 | 15434 | 15428 | 15428 | 15428 | 15434 | 15429 |
7 | 15443 | 15441 | 15444 | 15426 | 15426 | 15443 | 15426 | 15427 | 15428 | 15427 | 15427 | 15426 | 15428 | 15444 | 15428 |
8 | 15442 | 15441 | 15430 | 15428 | 15428 | 15431 | 15427 | 15428 | 15429 | 15428 | 15430 | 15428 | 15428 | 15435 | 15427 |
9 | 15443 | 15444 | 15426 | 15426 | 15429 | 15428 | 15427 | 15427 | 15427 | 15430 | 15428 | 15430 | 15430 | 15428 | 15431 |
10 | 15427 | 15428 | 15442 | 15427 | 15428 | 15431 | 15427 | 15427 | 15425 | 15428 | 15432 | 15443 | 15447 | 15441 | 15428 |
11 | 15443 | 15444 | 15443 | 15428 | 15429 | 15428 | 15426 | 15430 | 15430 | 15428 | 15431 | 15431 | 15442 | 15429 | 15429 |
12 | 15427 | 15427 | 15426 | 15429 | 15427 | 15428 | 15429 | 15431 | 15428 | 15427 | 15430 | 15431 | 15427 | 15427 | 15427 |
13 | 15442 | 15442 | 15442 | 15444 | 15427 | 15443 | 15427 | 15429 | 15427 | 15433 | 15427 | 15428 | 15427 | 15434 | 15430 |
14 | 15442 | 15442 | 15443 | 15443 | 15428 | 15427 | 15426 | 15427 | 15431 | 15429 | 15431 | 15428 | 15428 | 15441 | 15427 |
15 | 15442 | 15442 | 15427 | 15426 | 15427 | 15427 | 15426 | 15427 | 15428 | 15427 | 15427 | 15427 | 15424 | 15428 | 15422 |
16 | 15444 | 15442 | 15444 | 15427 | 15427 | 15429 | 15426 | 15427 | 15430 | 15428 | 15430 | 15429 | 15428 | 15443 | 15428 |
17 | 15441 | 15442 | 15441 | 15444 | 15431 | 15431 | 15427 | 15430 | 15430 | 15430 | 15430 | 15430 | 15428 | 15442 | 15430 |
18 | 15443 | 15445 | 15444 | 15444 | 15445 | 15427 | 15426 | 15427 | 15428 | 15427 | 15427 | 15426 | 15428 | 15442 | 15429 |
19 | 15442 | 15441 | 15426 | 15427 | 15427 | 15431 | 15426 | 15428 | 15428 | 15432 | 15424 | 15427 | 15427 | 15429 | 15429 |
20 | 15442 | 15442 | 15445 | 15426 | 15429 | 15427 | 15427 | 15429 | 15428 | 15428 | 15425 | 15427 | 15427 | 15429 | 15428 |
21 | 15430 | 15432 | 15444 | 15428 | 15428 | 15427 | 15427 | 15429 | 15429 | 15427 | 15425 | 15427 | 15427 | 15442 | 15429 |
22 | 15441 | 15441 | 15443 | 15421 | 15427 | 15431 | 15427 | 15429 | 15429 | 15429 | 15426 | 15426 | 15428 | 15430 | 15429 |
23 | 15444 | 15444 | 15444 | 15444 | 15427 | 15427 | 15428 | 15428 | 15429 | 15429 | 15423 | 15427 | 15428 | 15428 | 15428 |
25 | 15426 | 15426 | 15428 | 15427 | 15428 | 15426 | 15426 | 15429 | 15428 | 15429 | 15430 | 15429 | 15428 | 15429 | 15429 |
30 | 15443 | 15441 | 15442 | 15426 | 15427 | 15430 | 15427 | 15429 | 15429 | 15427 | 15429 | 15426 | 15427 | 15428 | 15429 |
40 | 15441 | 15442 | 15441 | 15444 | 15428 | 15428 | 15426 | 15429 | 15428 | 15429 | 15427 | 15426 | 15428 | 15430 | 15430 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 15424 bytes | – | 100% |
1,000 | 15424 bytes | – | 100% |
10,000 | 15423 bytes | -1 byte | 100% |
100,000 | 15421 bytes | -2 bytes | 1.16% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 15480 bytes | +59 bytes (+0.38%) | – |
1 | 15481 bytes | +60 bytes (+0.39%) | +1 byte |
2 | 15496 bytes | +75 bytes (+0.49%) | +16 bytes |
3 | 15513 bytes | +92 bytes (+0.60%) | +33 bytes |
4 | 15549 bytes | +128 bytes (+0.83%) | +69 bytes |
5 | 15544 bytes | +123 bytes (+0.80%) | +64 bytes |
6 | 15587 bytes | +166 bytes (+1.08%) | +107 bytes |
7 | 15612 bytes | +191 bytes (+1.24%) | +132 bytes |
8 | 15629 bytes | +208 bytes (+1.35%) | +149 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 13059 bytes | -2362 bytes (-15.32%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 13255 bytes | -2166 bytes (-14.05%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 14404 bytes | -1017 bytes (-6.59%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 14506 bytes | -915 bytes (-5.93%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 15043 bytes | -378 bytes (-2.45%) |
LZMA2 (Wikipedia) | xz | xz -9 | 15244 bytes | -177 bytes (-1.15%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 15384 bytes | -37 bytes (-0.24%) |