gzip -6 (default) |
8440 bytes (8.2k)
|
local copy |
gzip -9 |
8423 bytes (8.2k)
|
local copy |
7zip -mx=9 -tgzip |
8239 bytes (8.0k)
|
local copy |
libdeflate -12 |
8239 bytes (8.0k)
|
local copy |
kzip -s0 -rn -b1 |
8236 bytes (8.0k)
|
local copy |
zultra |
8235 bytes (8.0k)
|
local copy |
pigz -11 -n |
8230 bytes (8.0k)
|
local copy |
Zopfli |
8219 bytes (8.0k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 16 | --mls16 |
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 |
---|---|---|---|
8219 bytes | -1 byte | zopfli --i100000 --mls16 --bsr20 --lazy --ohh | December 18, 2015 @ 22:45 |
8220 bytes | -1 byte | zopfli --i10000 --mls16 --bsr20 --lazy --ohh | November 23, 2015 @ 17:59 |
8221 bytes | -1 byte | zopfli --i1000 --mls8 --bsr14 --lazy --ohh | September 18, 2015 @ 19:14 |
8222 bytes | -1 byte | zopfli --i1000 --mls2048 --bsr10 --lazy --ohh | September 10, 2015 @ 12:03 |
8223 bytes | -2 bytes | zopfli --i1000 --mls512 --bsr13 --lazy --ohh | September 10, 2015 @ 12:02 |
8225 bytes | – | zopfli --i100 --mls8192 --bsr2 --lazy --ohh | September 10, 2015 @ 11:34 |
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 | 8222 | 8222 | 8223 | 8232 | 8227 | 8223 | 8226 | 8232 | 8226 | 8232 | 8222 | 8225 | 8223 | 8224 | 8226 |
4 | 8223 | 8220 | 8223 | 8224 | 8222 | 8222 | 8224 | 8223 | 8224 | 8222 | 8222 | 8223 | 8222 | 8223 | 8223 |
6 | 8222 | 8224 | 8219 | 8219 | 8222 | 8221 | 8228 | 8224 | 8222 | 8224 | 8224 | 8227 | 8223 | 8224 | 8226 |
7 | 8225 | 8219 | 8219 | 8220 | 8223 | 8225 | 8223 | 8222 | 8222 | 8222 | 8222 | 8223 | 8224 | 8223 | 8223 |
8 | 8224 | 8226 | 8227 | 8226 | 8224 | 8225 | 8223 | 8232 | 8222 | 8224 | 8222 | 8227 | 8223 | 8224 | 8223 |
9 | 8224 | 8222 | 8223 | 8222 | 8224 | 8225 | 8223 | 8224 | 8225 | 8223 | 8222 | 8224 | 8224 | 8223 | 8223 |
10 | 8224 | 8224 | 8220 | 8222 | 8224 | 8223 | 8223 | 8223 | 8222 | 8222 | 8222 | 8224 | 8223 | 8224 | 8223 |
11 | 8222 | 8227 | 8223 | 8226 | 8221 | 8225 | 8223 | 8223 | 8222 | 8222 | 8222 | 8224 | 8223 | 8224 | 8223 |
12 | 8226 | 8227 | 8228 | 8223 | 8222 | 8225 | 8223 | 8224 | 8225 | 8224 | 8223 | 8227 | 8224 | 8224 | 8223 |
13 | 8222 | 8223 | 8223 | 8223 | 8222 | 8223 | 8222 | 8222 | 8222 | 8223 | 8222 | 8223 | 8224 | 8221 | 8223 |
14 | 8223 | 8227 | 8220 | 8222 | 8219 | 8225 | 8226 | 8223 | 8222 | 8224 | 8223 | 8223 | 8224 | 8224 | 8223 |
15 | 8225 | 8227 | 8223 | 8222 | 8222 | 8223 | 8222 | 8223 | 8224 | 8228 | 8222 | 8223 | 8223 | 8223 | 8223 |
16 | 8223 | 8227 | 8222 | 8222 | 8222 | 8225 | 8222 | 8223 | 8222 | 8224 | 8222 | 8227 | 8224 | 8224 | 8225 |
17 | 8226 | 8226 | 8228 | 8223 | 8222 | 8222 | 8222 | 8223 | 8222 | 8224 | 8223 | 8223 | 8223 | 8224 | 8222 |
18 | 8222 | 8223 | 8223 | 8222 | 8221 | 8226 | 8222 | 8222 | 8224 | 8224 | 8222 | 8223 | 8224 | 8224 | 8223 |
19 | 8222 | 8227 | 8223 | 8222 | 8222 | 8222 | 8223 | 8223 | 8223 | 8227 | 8222 | 8223 | 8224 | 8224 | 8223 |
20 | 8222 | 8226 | 8223 | 8219 | 8223 | 8222 | 8222 | 8223 | 8226 | 8227 | 8222 | 8227 | 8223 | 8224 | 8223 |
21 | 8222 | 8222 | 8222 | 8220 | 8222 | 8222 | 8222 | 8223 | 8222 | 8222 | 8222 | 8223 | 8223 | 8227 | 8224 |
22 | 8222 | 8223 | 8222 | 8225 | 8222 | 8225 | 8222 | 8223 | 8222 | 8222 | 8222 | 8226 | 8224 | 8222 | 8223 |
23 | 8224 | 8226 | 8226 | 8222 | 8222 | 8222 | 8223 | 8223 | 8222 | 8228 | 8222 | 8223 | 8225 | 8224 | 8223 |
25 | 8225 | 8227 | 8223 | 8223 | 8222 | 8222 | 8223 | 8223 | 8222 | 8228 | 8222 | 8227 | 8223 | 8224 | 8224 |
30 | 8225 | 8226 | 8228 | 8223 | 8222 | 8222 | 8222 | 8223 | 8223 | 8223 | 8222 | 8223 | 8223 | 8224 | 8223 |
40 | 8224 | 8227 | 8222 | 8224 | 8223 | 8225 | 8222 | 8224 | 8222 | 8222 | 8222 | 8223 | 8224 | 8224 | 8225 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 8223 bytes | – | 100% |
1,000 | 8221 bytes | -2 bytes | 100% |
10,000 | 8220 bytes | -1 byte | 100% |
100,000 | 8219 bytes | -1 byte | 4.35% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 8236 bytes | +17 bytes (+0.21%) | – |
1 | 8236 bytes | +17 bytes (+0.21%) | – |
2 | 8265 bytes | +46 bytes (+0.56%) | +29 bytes |
3 | 8299 bytes | +80 bytes (+0.97%) | +63 bytes |
4 | 8308 bytes | +89 bytes (+1.08%) | +72 bytes |
5 | 8335 bytes | +116 bytes (+1.41%) | +99 bytes |
6 | 8367 bytes | +148 bytes (+1.80%) | +131 bytes |
7 | 8398 bytes | +179 bytes (+2.18%) | +162 bytes |
8 | 8437 bytes | +218 bytes (+2.65%) | +201 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 7227 bytes | -992 bytes (-12.07%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 7387 bytes | -832 bytes (-10.12%) |
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 7896 bytes | -323 bytes (-3.93%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 7967 bytes | -252 bytes (-3.07%) |
LZMA2 (Wikipedia) | xz | xz -9 | 8208 bytes | -11 bytes (-0.13%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 8235 bytes | +16 bytes (+0.19%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 8240 bytes | +21 bytes (+0.26%) |