gzip -6 (default) |
8899 bytes (8.7k)
|
local copy |
gzip -9 |
8898 bytes (8.7k)
|
local copy |
libdeflate -12 |
8715 bytes (8.5k)
|
local copy |
7zip -mx=9 -tgzip |
8633 bytes (8.4k)
|
local copy |
zultra |
8587 bytes (8.4k)
|
local copy |
pigz -11 -n |
8575 bytes (8.4k)
|
local copy |
kzip -s0 -rn -b2 |
8558 bytes (8.4k)
|
local copy |
Zopfli |
8545 bytes (8.3k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 512 | --mls512 |
block splitting recursion | 20 | --bsr20 |
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 |
---|---|---|---|
8545 bytes | -1 byte | zopfli --i100000 --mls512 --bsr20 --lazy --ohh | November 23, 2015 @ 11:59 |
8546 bytes | -1 byte | zopfli --i10000 --mls512 --bsr20 --lazy --ohh | November 23, 2015 @ 08:21 |
8547 bytes | -1 byte | zopfli --i10000 --mls128 --bsr7 --lazy --ohh | November 23, 2015 @ 08:20 |
8548 bytes | -2 bytes | zopfli --i1000 --mls128 --bsr7 --lazy --ohh | September 20, 2015 @ 20:54 |
8550 bytes | -4 bytes | zopfli --i1000 --mls128 --bsr14 --lazy --ohh | September 16, 2015 @ 19:06 |
8554 bytes | -2 bytes | zopfli --i1000 --mls128 --bsr10 --lazy --ohh | September 16, 2015 @ 19:05 |
8556 bytes | – | zopfli --i100 --mls128 --bsr14 --lazy --ohh | September 11, 2015 @ 11:19 |
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 | 8568 | 8569 | 8568 | 8570 | 8575 | 8571 | 8567 | 8555 | 8554 | 8567 | 8568 | 8565 | 8563 | 8565 | 8566 |
4 | 8555 | 8552 | 8552 | 8552 | 8552 | 8551 | 8549 | 8548 | 8552 | 8578 | 8581 | 8591 | 8557 | 8598 | 8598 |
6 | 8548 | 8549 | 8555 | 8549 | 8549 | 8551 | 8549 | 8552 | 8551 | 8550 | 8553 | 8559 | 8560 | 8551 | 8551 |
7 | 8557 | 8551 | 8557 | 8552 | 8549 | 8549 | 8545 | 8552 | 8549 | 8552 | 8555 | 8558 | 8561 | 8558 | 8559 |
8 | 8569 | 8572 | 8571 | 8552 | 8552 | 8550 | 8567 | 8557 | 8553 | 8550 | 8553 | 8562 | 8573 | 8578 | 8580 |
9 | 8552 | 8548 | 8554 | 8553 | 8551 | 8550 | 8553 | 8550 | 8549 | 8551 | 8554 | 8563 | 8558 | 8559 | 8559 |
10 | 8552 | 8551 | 8553 | 8549 | 8550 | 8550 | 8552 | 8552 | 8546 | 8552 | 8553 | 8562 | 8563 | 8560 | 8560 |
11 | 8554 | 8550 | 8552 | 8553 | 8551 | 8550 | 8546 | 8553 | 8554 | 8550 | 8553 | 8562 | 8560 | 8559 | 8559 |
12 | 8552 | 8555 | 8553 | 8549 | 8552 | 8551 | 8548 | 8552 | 8550 | 8550 | 8551 | 8563 | 8561 | 8564 | 8564 |
13 | 8549 | 8548 | 8551 | 8549 | 8550 | 8551 | 8548 | 8550 | 8551 | 8551 | 8552 | 8561 | 8560 | 8567 | 8567 |
14 | 8551 | 8552 | 8551 | 8552 | 8551 | 8550 | 8548 | 8549 | 8546 | 8551 | 8555 | 8564 | 8561 | 8561 | 8561 |
15 | 8552 | 8553 | 8551 | 8552 | 8551 | 8550 | 8548 | 8553 | 8548 | 8551 | 8559 | 8562 | 8556 | 8559 | 8562 |
16 | 8546 | 8552 | 8550 | 8553 | 8550 | 8549 | 8549 | 8552 | 8554 | 8552 | 8553 | 8557 | 8557 | 8557 | 8559 |
17 | 8552 | 8552 | 8551 | 8553 | 8550 | 8550 | 8548 | 8552 | 8548 | 8551 | 8559 | 8561 | 8559 | 8560 | 8562 |
18 | 8553 | 8549 | 8552 | 8552 | 8549 | 8550 | 8548 | 8552 | 8550 | 8550 | 8559 | 8561 | 8554 | 8562 | 8562 |
19 | 8552 | 8552 | 8551 | 8552 | 8550 | 8551 | 8549 | 8545 | 8551 | 8552 | 8558 | 8562 | 8558 | 8560 | 8560 |
20 | 8552 | 8548 | 8552 | 8552 | 8550 | 8551 | 8546 | 8548 | 8545 | 8552 | 8559 | 8557 | 8560 | 8562 | 8565 |
21 | 8553 | 8552 | 8551 | 8552 | 8550 | 8552 | 8549 | 8552 | 8552 | 8550 | 8559 | 8559 | 8559 | 8563 | 8563 |
22 | 8552 | 8551 | 8552 | 8552 | 8549 | 8551 | 8548 | 8552 | 8553 | 8550 | 8554 | 8558 | 8561 | 8559 | 8559 |
23 | 8552 | 8552 | 8551 | 8549 | 8548 | 8551 | 8548 | 8546 | 8550 | 8550 | 8553 | 8563 | 8558 | 8562 | 8562 |
25 | 8549 | 8550 | 8553 | 8552 | 8551 | 8551 | 8549 | 8548 | 8549 | 8551 | 8551 | 8562 | 8561 | 8561 | 8561 |
30 | 8550 | 8552 | 8552 | 8552 | 8550 | 8550 | 8548 | 8548 | 8553 | 8551 | 8558 | 8558 | 8552 | 8562 | 8562 |
40 | 8551 | 8552 | 8551 | 8552 | 8551 | 8551 | 8549 | 8549 | 8546 | 8554 | 8551 | 8562 | 8561 | 8566 | 8566 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 8552 bytes | – | 100% |
1,000 | 8548 bytes | -4 bytes | 100% |
10,000 | 8546 bytes | -2 bytes | 100% |
100,000 | 8545 bytes | -1 byte | 2.90% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 8558 bytes | +13 bytes (+0.15%) | – |
1 | 8711 bytes | +166 bytes (+1.94%) | +153 bytes |
2 | 8558 bytes | +13 bytes (+0.15%) | – |
3 | 8562 bytes | +17 bytes (+0.20%) | +4 bytes |
4 | 8584 bytes | +39 bytes (+0.46%) | +26 bytes |
5 | 8617 bytes | +72 bytes (+0.84%) | +59 bytes |
6 | 8634 bytes | +89 bytes (+1.04%) | +76 bytes |
7 | 8666 bytes | +121 bytes (+1.42%) | +108 bytes |
8 | 8695 bytes | +150 bytes (+1.76%) | +137 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
Brotli (Wikipedia) | brotli | brotli -q 11 | 7943 bytes | -602 bytes (-7.05%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 8218 bytes | -327 bytes (-3.83%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 8298 bytes | -247 bytes (-2.89%) |
LZMA2 (Wikipedia) | xz | xz -9 | 8432 bytes | -113 bytes (-1.32%) |
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 8540 bytes | -5 bytes (-0.06%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 8689 bytes | +144 bytes (+1.69%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 8941 bytes | +396 bytes (+4.63%) |