gzip -6 (default) |
30879 bytes (30.2k)
|
local copy |
gzip -9 |
30840 bytes (30.1k)
|
local copy |
libdeflate -12 |
29482 bytes (28.8k)
|
local copy |
7zip -mx=9 -tgzip |
29470 bytes (28.8k)
|
local copy |
kzip -s0 -rn -b4 |
29435 bytes (28.7k)
|
local copy |
zultra |
29423 bytes (28.7k)
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local copy |
pigz -11 -n |
29411 bytes (28.7k)
|
local copy |
Zopfli |
29314 bytes (28.6k)
|
local copy |
Zopfli (defluff) |
29313 bytes (28.6k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 4 | --mls4 |
block splitting recursion | 30 | --bsr30 |
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 |
---|---|---|---|
29314 bytes | -1 byte | zopfli --i1000000 --mls4 --bsr30 --lazy --ohh | February 27, 2020 @ 22:44 |
29315 bytes | -3 bytes | zopfli --i100000 --mls4 --bsr30 --lazy --ohh | January 28, 2020 @ 18:13 |
29318 bytes | -5 bytes | zopfli --i10000 --mls4 --bsr30 --lazy --ohh | January 28, 2020 @ 17:41 |
29323 bytes | -1 byte | zopfli --i1000 --mls4 --bsr30 --lazy --ohh | January 28, 2020 @ 16:45 |
29324 bytes | – | zopfli --i100 --mls4 --bsr30 --lazy --ohh | January 28, 2020 @ 13:37 |
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 | 29368 | 29363 | 29370 | 29375 | 29393 | 29385 | 29387 | 29374 | 29404 | 29402 | 29402 | 29389 | 29392 | 29405 | 29393 |
4 | 29379 | 29388 | 29379 | 29369 | 29370 | 29388 | 29353 | 29389 | 29353 | 29393 | 29387 | 29395 | 29341 | 29396 | 29397 |
6 | 29346 | 29381 | 29362 | 29375 | 29370 | 29372 | 29353 | 29393 | 29360 | 29392 | 29388 | 29387 | 29344 | 29394 | 29394 |
7 | 29371 | 29374 | 29366 | 29362 | 29347 | 29372 | 29361 | 29373 | 29361 | 29399 | 29390 | 29399 | 29400 | 29394 | 29397 |
8 | 29374 | 29382 | 29371 | 29370 | 29369 | 29373 | 29394 | 29392 | 29349 | 29400 | 29368 | 29386 | 29370 | 29392 | 29395 |
9 | 29379 | 29374 | 29368 | 29367 | 29344 | 29363 | 29377 | 29353 | 29388 | 29399 | 29396 | 29397 | 29349 | 29396 | 29393 |
10 | 29351 | 29358 | 29375 | 29364 | 29363 | 29369 | 29372 | 29345 | 29360 | 29386 | 29385 | 29388 | 29381 | 29401 | 29390 |
11 | 29375 | 29381 | 29347 | 29338 | 29349 | 29362 | 29365 | 29341 | 29360 | 29389 | 29386 | 29388 | 29381 | 29399 | 29397 |
12 | 29353 | 29360 | 29376 | 29374 | 29363 | 29366 | 29366 | 29345 | 29364 | 29385 | 29386 | 29397 | 29348 | 29395 | 29389 |
13 | 29365 | 29377 | 29358 | 29345 | 29348 | 29365 | 29368 | 29367 | 29371 | 29386 | 29384 | 29395 | 29363 | 29400 | 29397 |
14 | 29369 | 29367 | 29370 | 29369 | 29366 | 29370 | 29353 | 29369 | 29365 | 29389 | 29388 | 29397 | 29387 | 29403 | 29395 |
15 | 29346 | 29374 | 29375 | 29367 | 29367 | 29338 | 29368 | 29349 | 29372 | 29388 | 29388 | 29388 | 29381 | 29394 | 29397 |
16 | 29367 | 29370 | 29375 | 29369 | 29370 | 29347 | 29356 | 29395 | 29377 | 29390 | 29387 | 29388 | 29381 | 29400 | 29397 |
17 | 29369 | 29367 | 29373 | 29373 | 29355 | 29345 | 29362 | 29346 | 29362 | 29386 | 29389 | 29388 | 29382 | 29392 | 29397 |
18 | 29373 | 29381 | 29375 | 29349 | 29365 | 29362 | 29352 | 29367 | 29338 | 29398 | 29387 | 29387 | 29387 | 29397 | 29396 |
19 | 29379 | 29360 | 29372 | 29345 | 29357 | 29363 | 29354 | 29347 | 29392 | 29398 | 29388 | 29388 | 29387 | 29396 | 29397 |
20 | 29369 | 29377 | 29373 | 29369 | 29334 | 29368 | 29370 | 29373 | 29361 | 29388 | 29385 | 29386 | 29364 | 29397 | 29397 |
21 | 29365 | 29369 | 29376 | 29362 | 29354 | 29370 | 29363 | 29349 | 29387 | 29399 | 29386 | 29386 | 29337 | 29398 | 29394 |
22 | 29322 | 29358 | 29377 | 29331 | 29365 | 29360 | 29348 | 29395 | 29345 | 29398 | 29386 | 29388 | 29382 | 29399 | 29396 |
23 | 29372 | 29377 | 29350 | 29364 | 29351 | 29373 | 29366 | 29365 | 29367 | 29388 | 29387 | 29387 | 29382 | 29401 | 29389 |
25 | 29367 | 29366 | 29351 | 29364 | 29361 | 29362 | 29353 | 29394 | 29351 | 29385 | 29395 | 29388 | 29393 | 29387 | 29389 |
30 | 29366 | 29314 | 29379 | 29368 | 29351 | 29387 | 29359 | 29348 | 29391 | 29387 | 29387 | 29387 | 29395 | 29388 | 29388 |
40 | 29369 | 29365 | 29374 | 29369 | 29348 | 29374 | 29350 | 29370 | 29349 | 29384 | 29386 | 29387 | 29381 | 29396 | 29396 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 29324 bytes | – | 100% |
1,000 | 29323 bytes | -1 byte | 100% |
10,000 | 29318 bytes | -5 bytes | 100% |
100,000 | 29315 bytes | -3 bytes | 0.58% |
1,000,000 | 29314 bytes | -1 byte | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 29467 bytes | +153 bytes (+0.52%) | +32 bytes |
1 | 29467 bytes | +153 bytes (+0.52%) | +32 bytes |
2 | 29487 bytes | +173 bytes (+0.59%) | +52 bytes |
3 | 29467 bytes | +153 bytes (+0.52%) | +32 bytes |
4 | 29435 bytes | +121 bytes (+0.41%) | – |
5 | 29480 bytes | +166 bytes (+0.57%) | +45 bytes |
6 | 29465 bytes | +151 bytes (+0.52%) | +30 bytes |
7 | 29485 bytes | +171 bytes (+0.58%) | +50 bytes |
8 | 29529 bytes | +215 bytes (+0.73%) | +94 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 23262 bytes | -6052 bytes (-20.65%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 26170 bytes | -3144 bytes (-10.73%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 27083 bytes | -2231 bytes (-7.61%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 27221 bytes | -2093 bytes (-7.14%) |
LZMA2 (Wikipedia) | xz | xz -9 | 28116 bytes | -1198 bytes (-4.09%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 28774 bytes | -540 bytes (-1.84%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 29063 bytes | -251 bytes (-0.86%) |