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 |
29469 bytes (28.8k)
|
local copy |
kzip -s0 -rn -b4 |
29435 bytes (28.7k)
|
local copy |
zultra |
29414 bytes (28.7k)
|
local copy |
pigz -11 -n |
29411 bytes (28.7k)
|
local copy |
Zopfli |
29320 bytes (28.6k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 2 | --mls2 |
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 |
---|---|---|---|
29320 bytes | -2 bytes | zopfli --i1000000 --mls2 --bsr22 --lazy --ohh | February 27, 2020 @ 17:30 |
29322 bytes | -2 bytes | zopfli --i100000 --mls2 --bsr22 --lazy --ohh | January 28, 2020 @ 21:07 |
29324 bytes | -4 bytes | zopfli --i10000 --mls2 --bsr22 --lazy --ohh | January 28, 2020 @ 20:42 |
29328 bytes | -5 bytes | zopfli --i1000 --mls2 --bsr22 --lazy --ohh | January 28, 2020 @ 14:52 |
29333 bytes | – | zopfli --i100 --mls2 --bsr22 --lazy --ohh | January 28, 2020 @ 13:17 |
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 | 29367 | 29364 | 29366 | 29376 | 29394 | 29385 | 29378 | 29375 | 29398 | 29402 | 29397 | 29384 | 29392 | 29404 | 29396 |
4 | 29379 | 29387 | 29377 | 29371 | 29365 | 29377 | 29350 | 29391 | 29355 | 29393 | 29387 | 29398 | 29341 | 29399 | 29397 |
6 | 29353 | 29379 | 29361 | 29378 | 29358 | 29367 | 29352 | 29396 | 29356 | 29398 | 29391 | 29397 | 29399 | 29392 | 29393 |
7 | 29372 | 29375 | 29367 | 29369 | 29365 | 29371 | 29359 | 29371 | 29363 | 29387 | 29392 | 29399 | 29348 | 29393 | 29397 |
8 | 29374 | 29336 | 29374 | 29372 | 29363 | 29373 | 29349 | 29393 | 29359 | 29390 | 29389 | 29387 | 29393 | 29392 | 29394 |
9 | 29379 | 29375 | 29370 | 29367 | 29344 | 29356 | 29374 | 29359 | 29361 | 29399 | 29396 | 29397 | 29387 | 29399 | 29398 |
10 | 29355 | 29357 | 29374 | 29365 | 29370 | 29369 | 29370 | 29387 | 29362 | 29390 | 29387 | 29387 | 29387 | 29401 | 29390 |
11 | 29374 | 29378 | 29348 | 29341 | 29347 | 29360 | 29376 | 29345 | 29360 | 29388 | 29387 | 29386 | 29337 | 29398 | 29390 |
12 | 29352 | 29359 | 29348 | 29373 | 29362 | 29364 | 29347 | 29370 | 29363 | 29386 | 29387 | 29395 | 29344 | 29402 | 29389 |
13 | 29365 | 29368 | 29369 | 29361 | 29347 | 29365 | 29377 | 29372 | 29370 | 29386 | 29385 | 29396 | 29364 | 29398 | 29398 |
14 | 29369 | 29372 | 29368 | 29370 | 29362 | 29368 | 29353 | 29370 | 29388 | 29387 | 29386 | 29398 | 29387 | 29397 | 29394 |
15 | 29346 | 29376 | 29370 | 29369 | 29364 | 29340 | 29364 | 29351 | 29376 | 29389 | 29389 | 29388 | 29381 | 29393 | 29397 |
16 | 29368 | 29370 | 29375 | 29367 | 29358 | 29364 | 29352 | 29389 | 29375 | 29389 | 29387 | 29397 | 29354 | 29395 | 29397 |
17 | 29368 | 29367 | 29377 | 29368 | 29356 | 29345 | 29373 | 29344 | 29362 | 29388 | 29389 | 29398 | 29381 | 29393 | 29397 |
18 | 29380 | 29379 | 29369 | 29365 | 29367 | 29367 | 29348 | 29367 | 29368 | 29387 | 29390 | 29397 | 29381 | 29401 | 29398 |
19 | 29389 | 29360 | 29375 | 29347 | 29351 | 29363 | 29357 | 29348 | 29393 | 29387 | 29387 | 29398 | 29387 | 29395 | 29395 |
20 | 29368 | 29376 | 29345 | 29370 | 29333 | 29378 | 29365 | 29373 | 29363 | 29387 | 29391 | 29397 | 29364 | 29396 | 29392 |
21 | 29364 | 29374 | 29372 | 29363 | 29368 | 29363 | 29367 | 29350 | 29385 | 29399 | 29388 | 29385 | 29387 | 29397 | 29397 |
22 | 29320 | 29356 | 29373 | 29340 | 29363 | 29372 | 29356 | 29389 | 29359 | 29389 | 29386 | 29396 | 29387 | 29398 | 29395 |
23 | 29377 | 29375 | 29350 | 29366 | 29358 | 29358 | 29365 | 29369 | 29366 | 29384 | 29382 | 29397 | 29382 | 29398 | 29389 |
25 | 29367 | 29368 | 29367 | 29372 | 29361 | 29363 | 29353 | 29396 | 29350 | 29385 | 29383 | 29397 | 29388 | 29397 | 29389 |
30 | 29376 | 29371 | 29368 | 29364 | 29345 | 29387 | 29351 | 29348 | 29367 | 29387 | 29388 | 29397 | 29396 | 29394 | 29398 |
40 | 29371 | 29368 | 29372 | 29368 | 29345 | 29373 | 29350 | 29368 | 29363 | 29384 | 29386 | 29397 | 29381 | 29392 | 29394 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 29333 bytes | – | 100% |
1,000 | 29328 bytes | -5 bytes | 100% |
10,000 | 29324 bytes | -4 bytes | 100% |
100,000 | 29322 bytes | -2 bytes | 0.58% |
1,000,000 | 29320 bytes | -2 bytes | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 29467 bytes | +147 bytes (+0.50%) | +32 bytes |
1 | 29467 bytes | +147 bytes (+0.50%) | +32 bytes |
2 | 29488 bytes | +168 bytes (+0.57%) | +53 bytes |
3 | 29470 bytes | +150 bytes (+0.51%) | +35 bytes |
4 | 29435 bytes | +115 bytes (+0.39%) | – |
5 | 29482 bytes | +162 bytes (+0.55%) | +47 bytes |
6 | 29464 bytes | +144 bytes (+0.49%) | +29 bytes |
7 | 29486 bytes | +166 bytes (+0.57%) | +51 bytes |
8 | 29526 bytes | +206 bytes (+0.70%) | +91 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 23263 bytes | -6057 bytes (-20.66%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 26170 bytes | -3150 bytes (-10.74%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 27086 bytes | -2234 bytes (-7.62%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 27232 bytes | -2088 bytes (-7.12%) |
LZMA2 (Wikipedia) | xz | xz -9 | 28120 bytes | -1200 bytes (-4.09%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 28775 bytes | -545 bytes (-1.86%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 29076 bytes | -244 bytes (-0.83%) |