gzip -6 (default) |
30487 bytes (29.8k)
|
local copy |
gzip -9 |
30449 bytes (29.7k)
|
local copy |
libdeflate -12 |
29118 bytes (28.4k)
|
local copy |
7zip -mx=9 -tgzip |
29078 bytes (28.4k)
|
local copy |
kzip -s0 -rn -b0 |
29077 bytes (28.4k)
|
local copy |
zultra |
29031 bytes (28.4k)
|
local copy |
pigz -11 -n |
29001 bytes (28.3k)
|
local copy |
Zopfli |
28926 bytes (28.2k)
|
local copy |
Zopfli (defluff) |
28925 bytes (28.2k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 64 | --mls64 |
block splitting recursion | 21 | --bsr21 |
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 |
---|---|---|---|
28926 bytes | -1 byte | zopfli --i1000000 --mls64 --bsr21 --lazy --ohh | February 28, 2020 @ 19:23 |
28927 bytes | -2 bytes | zopfli --i100000 --mls64 --bsr21 --lazy --ohh | January 28, 2020 @ 18:19 |
28929 bytes | -7 bytes | zopfli --i10000 --mls64 --bsr21 --lazy --ohh | January 28, 2020 @ 17:41 |
28936 bytes | -3 bytes | zopfli --i1000 --mls64 --bsr21 --lazy --ohh | January 28, 2020 @ 16:33 |
28939 bytes | – | zopfli --i100 --mls64 --bsr21 --lazy --ohh | January 28, 2020 @ 13:24 |
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 | 28995 | 29008 | 29007 | 29001 | 28998 | 29006 | 29008 | 29016 | 29011 | 29019 | 29009 | 29011 | 29024 | 29014 | 29013 |
4 | 28978 | 29005 | 29007 | 28984 | 28984 | 28984 | 28984 | 28994 | 28993 | 28995 | 28965 | 29013 | 29013 | 29019 | 29008 |
6 | 28987 | 28988 | 28982 | 28977 | 28974 | 28996 | 28985 | 28982 | 28993 | 28995 | 28990 | 29020 | 28985 | 29014 | 29017 |
7 | 28971 | 28981 | 28982 | 28990 | 28981 | 28987 | 28972 | 28973 | 28991 | 28993 | 28989 | 29020 | 29019 | 29018 | 29015 |
8 | 28978 | 28982 | 28982 | 28980 | 28975 | 28982 | 28974 | 28972 | 28967 | 28977 | 28979 | 29012 | 29012 | 29014 | 29015 |
9 | 29002 | 28974 | 28987 | 28981 | 28971 | 28981 | 28973 | 28972 | 29005 | 28984 | 28985 | 29009 | 29009 | 29006 | 29009 |
10 | 28989 | 28976 | 28956 | 28986 | 28988 | 28986 | 28973 | 28973 | 28997 | 28989 | 28981 | 29010 | 28987 | 29013 | 29008 |
11 | 28978 | 28971 | 28973 | 28972 | 28967 | 28972 | 28975 | 28971 | 28976 | 28974 | 28972 | 29014 | 28984 | 29017 | 29010 |
12 | 28978 | 28990 | 28969 | 28974 | 28972 | 28967 | 28973 | 28984 | 28977 | 28988 | 28979 | 29011 | 29019 | 29015 | 29015 |
13 | 28974 | 28971 | 28979 | 28975 | 28982 | 28972 | 28970 | 28972 | 28978 | 28979 | 28992 | 28962 | 29020 | 29015 | 29007 |
14 | 28977 | 28979 | 28968 | 28965 | 28973 | 28985 | 28964 | 28991 | 28982 | 29013 | 28985 | 29011 | 28995 | 29015 | 29015 |
15 | 28972 | 28966 | 28970 | 28972 | 28975 | 28966 | 28975 | 28975 | 28978 | 28980 | 28982 | 29009 | 29020 | 29015 | 29015 |
16 | 28978 | 28971 | 28950 | 28986 | 28986 | 28969 | 28972 | 28972 | 28978 | 29001 | 28983 | 29008 | 28990 | 29015 | 29015 |
17 | 28972 | 28977 | 28979 | 28981 | 28988 | 28973 | 28975 | 28979 | 28985 | 28989 | 28974 | 29010 | 29012 | 29015 | 29015 |
18 | 28982 | 28979 | 28959 | 28987 | 28979 | 28984 | 28953 | 28964 | 28980 | 29002 | 28988 | 29012 | 28984 | 29017 | 29017 |
19 | 28988 | 28983 | 28980 | 28985 | 28976 | 28970 | 29009 | 28966 | 28983 | 28995 | 28984 | 29008 | 28970 | 29007 | 29007 |
20 | 28954 | 28952 | 28960 | 28957 | 28977 | 28970 | 28984 | 28977 | 28966 | 29009 | 28990 | 29008 | 28990 | 29011 | 29015 |
21 | 28970 | 28985 | 28977 | 28983 | 28965 | 28926 | 28972 | 28966 | 28980 | 28983 | 28990 | 29011 | 28985 | 29006 | 29006 |
22 | 28955 | 28957 | 28981 | 28979 | 28969 | 28969 | 28979 | 28979 | 28984 | 28986 | 28989 | 29019 | 28969 | 29016 | 29007 |
23 | 28982 | 28967 | 28974 | 28972 | 28983 | 28974 | 28968 | 28967 | 28971 | 28983 | 28979 | 29017 | 29009 | 29011 | 29007 |
25 | 28972 | 28970 | 28967 | 28977 | 28970 | 28967 | 28972 | 28976 | 28986 | 28985 | 28979 | 29011 | 29019 | 29015 | 29015 |
30 | 28969 | 28976 | 28978 | 28969 | 28973 | 28944 | 28974 | 28973 | 28976 | 28979 | 28974 | 29018 | 29009 | 29008 | 29007 |
40 | 28974 | 28978 | 28980 | 28973 | 28977 | 28965 | 28976 | 28966 | 28984 | 28977 | 28980 | 29010 | 29011 | 29015 | 29015 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 28939 bytes | – | 100% |
1,000 | 28936 bytes | -3 bytes | 100% |
10,000 | 28929 bytes | -7 bytes | 100% |
100,000 | 28927 bytes | -2 bytes | 0.58% |
1,000,000 | 28926 bytes | -1 byte | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 29077 bytes | +151 bytes (+0.52%) | – |
1 | 29081 bytes | +155 bytes (+0.54%) | +4 bytes |
2 | 29107 bytes | +181 bytes (+0.63%) | +30 bytes |
3 | 29077 bytes | +151 bytes (+0.52%) | – |
4 | 29100 bytes | +174 bytes (+0.60%) | +23 bytes |
5 | 29091 bytes | +165 bytes (+0.57%) | +14 bytes |
6 | 29082 bytes | +156 bytes (+0.54%) | +5 bytes |
7 | 29093 bytes | +167 bytes (+0.58%) | +16 bytes |
8 | 29136 bytes | +210 bytes (+0.73%) | +59 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 23026 bytes | -5900 bytes (-20.40%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 25801 bytes | -3125 bytes (-10.80%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 26699 bytes | -2227 bytes (-7.70%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 26888 bytes | -2038 bytes (-7.05%) |
LZMA2 (Wikipedia) | xz | xz -9 | 27752 bytes | -1174 bytes (-4.06%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 28384 bytes | -542 bytes (-1.87%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 28638 bytes | -288 bytes (-1.00%) |