gzip -6 (default) |
30487 bytes (29.8k)
|
local copy |
gzip -9 |
30448 bytes (29.7k)
|
local copy |
libdeflate -12 |
29118 bytes (28.4k)
|
local copy |
7zip -mx=9 -tgzip |
29077 bytes (28.4k)
|
local copy |
kzip -s0 -rn -b0 |
29075 bytes (28.4k)
|
local copy |
zultra |
29027 bytes (28.3k)
|
local copy |
pigz -11 -n |
29002 bytes (28.3k)
|
local copy |
Zopfli |
28924 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 |
---|---|---|---|
28924 bytes | -1 byte | zopfli --i1000000 --mls64 --bsr21 --lazy --ohh | February 28, 2020 @ 19:31 |
28925 bytes | -4 bytes | zopfli --i100000 --mls64 --bsr21 --lazy --ohh | February 28, 2020 @ 12:55 |
28929 bytes | -7 bytes | zopfli --i10000 --mls64 --bsr21 --lazy --ohh | January 28, 2020 @ 20:09 |
28936 bytes | -2 bytes | zopfli --i1000 --mls64 --bsr21 --lazy --ohh | January 28, 2020 @ 16:23 |
28938 bytes | – | zopfli --i100 --mls64 --bsr21 --lazy --ohh | January 28, 2020 @ 13:13 |
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 | 28994 | 29007 | 29005 | 29000 | 28998 | 29005 | 29006 | 29005 | 29010 | 29019 | 29008 | 29011 | 29023 | 29014 | 29013 |
4 | 28978 | 29004 | 29005 | 28982 | 28983 | 28978 | 28968 | 28988 | 28998 | 28996 | 28965 | 29012 | 29011 | 29019 | 29021 |
6 | 28986 | 28987 | 28981 | 28976 | 28972 | 29000 | 28977 | 28973 | 28986 | 28997 | 28989 | 29013 | 28985 | 29014 | 29012 |
7 | 28975 | 28980 | 28976 | 28995 | 28979 | 28985 | 28973 | 28972 | 28990 | 28990 | 28983 | 29019 | 28975 | 29015 | 29015 |
8 | 28977 | 28981 | 28982 | 28974 | 28977 | 28977 | 28973 | 29011 | 28972 | 28976 | 28977 | 29005 | 29011 | 29013 | 29007 |
9 | 29002 | 28972 | 28987 | 28978 | 28973 | 28994 | 28972 | 28969 | 29005 | 28983 | 28977 | 29008 | 28968 | 29005 | 29006 |
10 | 28988 | 28976 | 28957 | 28983 | 28971 | 28985 | 28972 | 28972 | 28989 | 28988 | 28979 | 29010 | 28987 | 29018 | 29012 |
11 | 28976 | 28971 | 28973 | 28971 | 28976 | 28970 | 28973 | 28971 | 28974 | 28991 | 29007 | 29011 | 28991 | 29010 | 29010 |
12 | 28981 | 28990 | 28969 | 28974 | 28977 | 28953 | 28972 | 28979 | 28977 | 28994 | 28983 | 29008 | 29018 | 29014 | 29014 |
13 | 28974 | 28970 | 28978 | 28973 | 28980 | 28975 | 28970 | 28979 | 28977 | 28974 | 28991 | 29009 | 29020 | 29012 | 29006 |
14 | 28976 | 28979 | 28972 | 28964 | 28973 | 28964 | 28970 | 28991 | 28982 | 29011 | 28985 | 29004 | 29002 | 29014 | 29014 |
15 | 28972 | 28965 | 28969 | 28972 | 28974 | 28964 | 28975 | 28974 | 28977 | 28945 | 28981 | 29010 | 29018 | 29013 | 29014 |
16 | 28978 | 28971 | 28949 | 28985 | 28988 | 28969 | 28973 | 28972 | 28977 | 28982 | 28982 | 29008 | 28974 | 29014 | 29013 |
17 | 28972 | 28976 | 28985 | 28980 | 28992 | 28971 | 28972 | 28978 | 28977 | 28990 | 28988 | 29006 | 29010 | 29013 | 29015 |
18 | 28981 | 28977 | 28954 | 28984 | 28970 | 28978 | 28972 | 28976 | 28977 | 28989 | 28987 | 29011 | 29017 | 29018 | 29013 |
19 | 28987 | 28981 | 28978 | 28983 | 28976 | 28972 | 29009 | 28970 | 28982 | 29006 | 28993 | 29008 | 28991 | 29015 | 29006 |
20 | 28955 | 28952 | 28961 | 28955 | 28956 | 28969 | 28977 | 28975 | 28973 | 29005 | 28987 | 29005 | 29008 | 29016 | 29005 |
21 | 28969 | 28984 | 28976 | 28990 | 28965 | 28924 | 28971 | 28974 | 28981 | 28981 | 28979 | 29009 | 28984 | 29007 | 29013 |
22 | 28954 | 28961 | 28980 | 28978 | 28973 | 28968 | 28978 | 28979 | 28983 | 28990 | 28988 | 29007 | 28984 | 29014 | 29014 |
23 | 28983 | 28968 | 28974 | 28973 | 28971 | 28974 | 28967 | 28965 | 28973 | 28981 | 28988 | 29019 | 29009 | 29016 | 29013 |
25 | 28972 | 28970 | 28967 | 28975 | 28974 | 28967 | 28972 | 28972 | 28984 | 28987 | 28967 | 29009 | 29018 | 29016 | 29013 |
30 | 28968 | 28975 | 28978 | 28970 | 28972 | 28944 | 28973 | 28976 | 28976 | 28981 | 28973 | 29017 | 29008 | 29020 | 29013 |
40 | 28973 | 28978 | 28979 | 28972 | 28973 | 28966 | 28973 | 28964 | 28984 | 28977 | 28980 | 29009 | 29011 | 29015 | 29015 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 28938 bytes | – | 100% |
1,000 | 28936 bytes | -2 bytes | 100% |
10,000 | 28929 bytes | -7 bytes | 100% |
100,000 | 28925 bytes | -4 bytes | 0.87% |
1,000,000 | 28924 bytes | -1 byte | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 29075 bytes | +151 bytes (+0.52%) | – |
1 | 29077 bytes | +153 bytes (+0.53%) | +2 bytes |
2 | 29106 bytes | +182 bytes (+0.63%) | +31 bytes |
3 | 29077 bytes | +153 bytes (+0.53%) | +2 bytes |
4 | 29099 bytes | +175 bytes (+0.61%) | +24 bytes |
5 | 29091 bytes | +167 bytes (+0.58%) | +16 bytes |
6 | 29081 bytes | +157 bytes (+0.54%) | +6 bytes |
7 | 29092 bytes | +168 bytes (+0.58%) | +17 bytes |
8 | 29134 bytes | +210 bytes (+0.73%) | +59 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 23026 bytes | -5898 bytes (-20.39%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 25803 bytes | -3121 bytes (-10.79%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 26701 bytes | -2223 bytes (-7.69%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 26874 bytes | -2050 bytes (-7.09%) |
LZMA2 (Wikipedia) | xz | xz -9 | 27752 bytes | -1172 bytes (-4.05%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 28383 bytes | -541 bytes (-1.87%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 28629 bytes | -295 bytes (-1.02%) |