gzip -6 (default) |
9896 bytes (9.7k)
|
local copy |
gzip -9 |
9896 bytes (9.7k)
|
local copy |
libdeflate -12 |
9695 bytes (9.5k)
|
local copy |
7zip -mx=9 -tgzip |
9589 bytes (9.4k)
|
local copy |
zultra |
9539 bytes (9.3k)
|
local copy |
pigz -11 -n |
9521 bytes (9.3k)
|
local copy |
kzip -s0 -rn -b2 |
9511 bytes (9.3k)
|
local copy |
Zopfli |
9499 bytes (9.3k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 10000 | --i10000 |
maximum blocks | 8 | --mb8 |
maximum length score | 64 | --mls64 |
block splitting recursion | 4 | --bsr4 |
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 |
---|---|---|---|
9499 bytes | -1 byte | zopfli --i10000 --mls64 --bsr4 --lazy --ohh | October 14, 2015 @ 11:11 |
9500 bytes | -3 bytes | zopfli --i1000 --mls256 --bsr7 --lazy --ohh | September 16, 2015 @ 18:41 |
9503 bytes | -2 bytes | zopfli --i1000 --mls64 --bsr2 --lazy --ohh | September 16, 2015 @ 18:40 |
9505 bytes | – | zopfli --i100 --mls128 --bsr11 --lazy --ohh | September 11, 2015 @ 11:28 |
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 | 9515 | 9514 | 9509 | 9506 | 9511 | 9502 | 9507 | 9511 | 9520 | 9530 | 9532 | 9531 | 9531 | 9528 | 9530 |
4 | 9526 | 9524 | 9506 | 9509 | 9503 | 9499 | 9548 | 9539 | 9530 | 9518 | 9519 | 9522 | 9537 | 9539 | 9539 |
6 | 9506 | 9508 | 9508 | 9505 | 9508 | 9508 | 9505 | 9499 | 9499 | 9512 | 9501 | 9505 | 9504 | 9503 | 9503 |
7 | 9505 | 9505 | 9504 | 9505 | 9504 | 9505 | 9505 | 9499 | 9499 | 9510 | 9500 | 9502 | 9502 | 9503 | 9503 |
8 | 9513 | 9517 | 9510 | 9507 | 9506 | 9513 | 9505 | 9511 | 9499 | 9512 | 9502 | 9501 | 9505 | 9502 | 9508 |
9 | 9510 | 9510 | 9507 | 9507 | 9507 | 9504 | 9503 | 9499 | 9499 | 9510 | 9505 | 9504 | 9504 | 9503 | 9503 |
10 | 9509 | 9510 | 9505 | 9508 | 9507 | 9505 | 9509 | 9499 | 9499 | 9511 | 9506 | 9508 | 9507 | 9503 | 9503 |
11 | 9505 | 9507 | 9505 | 9505 | 9512 | 9506 | 9502 | 9499 | 9499 | 9510 | 9505 | 9506 | 9504 | 9504 | 9503 |
12 | 9505 | 9509 | 9504 | 9507 | 9506 | 9505 | 9503 | 9499 | 9501 | 9506 | 9505 | 9504 | 9504 | 9503 | 9503 |
13 | 9505 | 9504 | 9506 | 9505 | 9506 | 9505 | 9506 | 9499 | 9501 | 9499 | 9506 | 9511 | 9503 | 9513 | 9518 |
14 | 9504 | 9509 | 9507 | 9507 | 9509 | 9506 | 9507 | 9501 | 9499 | 9511 | 9505 | 9504 | 9504 | 9502 | 9502 |
15 | 9506 | 9505 | 9505 | 9506 | 9510 | 9505 | 9508 | 9499 | 9499 | 9511 | 9502 | 9508 | 9504 | 9504 | 9503 |
16 | 9506 | 9508 | 9507 | 9505 | 9503 | 9505 | 9506 | 9499 | 9499 | 9510 | 9501 | 9507 | 9504 | 9505 | 9504 |
17 | 9505 | 9506 | 9510 | 9508 | 9503 | 9507 | 9510 | 9501 | 9499 | 9512 | 9506 | 9503 | 9504 | 9503 | 9504 |
18 | 9505 | 9507 | 9506 | 9506 | 9506 | 9502 | 9509 | 9499 | 9499 | 9506 | 9504 | 9504 | 9508 | 9508 | 9508 |
19 | 9505 | 9508 | 9507 | 9503 | 9507 | 9506 | 9506 | 9499 | 9499 | 9506 | 9504 | 9505 | 9509 | 9504 | 9504 |
20 | 9511 | 9506 | 9506 | 9506 | 9506 | 9505 | 9508 | 9499 | 9499 | 9500 | 9501 | 9510 | 9507 | 9505 | 9504 |
21 | 9506 | 9505 | 9508 | 9507 | 9503 | 9505 | 9505 | 9499 | 9499 | 9506 | 9505 | 9501 | 9504 | 9504 | 9504 |
22 | 9510 | 9513 | 9506 | 9505 | 9501 | 9509 | 9509 | 9499 | 9499 | 9510 | 9503 | 9507 | 9507 | 9503 | 9503 |
23 | 9505 | 9505 | 9505 | 9507 | 9506 | 9502 | 9509 | 9499 | 9499 | 9510 | 9505 | 9512 | 9503 | 9503 | 9504 |
25 | 9505 | 9505 | 9505 | 9505 | 9506 | 9502 | 9505 | 9499 | 9499 | 9511 | 9500 | 9508 | 9507 | 9503 | 9503 |
30 | 9506 | 9510 | 9505 | 9505 | 9508 | 9502 | 9507 | 9499 | 9499 | 9510 | 9505 | 9504 | 9504 | 9504 | 9504 |
40 | 9507 | 9511 | 9506 | 9506 | 9508 | 9505 | 9505 | 9499 | 9499 | 9506 | 9500 | 9503 | 9504 | 9504 | 9504 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 9505 bytes | – | 100% |
1,000 | 9500 bytes | -5 bytes | 100% |
10,000 | 9499 bytes | -1 byte | 100% |
100,000 | 9499 bytes | – | 11.30% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 9511 bytes | +12 bytes (+0.13%) | – |
1 | 9689 bytes | +190 bytes (+2.00%) | +178 bytes |
2 | 9511 bytes | +12 bytes (+0.13%) | – |
3 | 9524 bytes | +25 bytes (+0.26%) | +13 bytes |
4 | 9540 bytes | +41 bytes (+0.43%) | +29 bytes |
5 | 9561 bytes | +62 bytes (+0.65%) | +50 bytes |
6 | 9585 bytes | +86 bytes (+0.91%) | +74 bytes |
7 | 9624 bytes | +125 bytes (+1.32%) | +113 bytes |
8 | 9658 bytes | +159 bytes (+1.67%) | +147 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
Brotli (Wikipedia) | brotli | brotli -q 11 | 8771 bytes | -728 bytes (-7.66%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 9144 bytes | -355 bytes (-3.74%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 9224 bytes | -275 bytes (-2.90%) |
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 9318 bytes | -181 bytes (-1.91%) |
LZMA2 (Wikipedia) | xz | xz -9 | 9360 bytes | -139 bytes (-1.46%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 9671 bytes | +172 bytes (+1.81%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 9925 bytes | +426 bytes (+4.48%) |