gzip -6 (default) |
54706 bytes (53.4k)
|
local copy |
gzip -9 |
54655 bytes (53.4k)
|
local copy |
libdeflate -12 |
52003 bytes (50.8k)
|
local copy |
7zip -mx=9 -tgzip |
51994 bytes (50.8k)
|
local copy |
pigz -11 -n |
51969 bytes (50.8k)
|
local copy |
zultra |
51965 bytes (50.7k)
|
local copy |
kzip -s0 -rn -b1 |
51950 bytes (50.7k)
|
local copy |
Zopfli |
51858 bytes (50.6k)
|
local copy |
Zopfli (defluff) |
51852 bytes (50.6k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 16 | --mls16 |
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 |
---|---|---|---|
51858 bytes | -1 byte | zopfli --i1000000 --mls16 --bsr21 --lazy --ohh | January 30, 2020 @ 08:01 |
51859 bytes | -2 bytes | zopfli --i100000 --mls16 --bsr21 --lazy --ohh | March 25, 2016 @ 10:39 |
51861 bytes | -9 bytes | zopfli --i100000 --mls2 --bsr30 --lazy --ohh | March 24, 2016 @ 14:30 |
51870 bytes | -1 byte | zopfli --i10000 --mls2 --bsr30 --lazy --ohh | March 24, 2016 @ 13:05 |
51871 bytes | -6 bytes | zopfli --i10000 --mls16 --bsr15 --lazy --ohh | March 24, 2016 @ 11:39 |
51877 bytes | -4 bytes | zopfli --i1000 --mls32 --bsr18 --lazy --ohh | March 24, 2016 @ 11:19 |
51881 bytes | – | zopfli --i100 --mls16 --bsr9 --lazy --ohh | March 24, 2016 @ 11:05 |
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 | 51877 | 51876 | 51876 | 51875 | 51878 | 51877 | 51873 | 51875 | 51871 | 51891 | 51894 | 51891 | 51893 | 51894 | 51895 |
4 | 51875 | 51874 | 51875 | 51874 | 51873 | 51892 | 51888 | 51882 | 51876 | 51888 | 51886 | 51884 | 51892 | 51887 | 51877 |
6 | 51888 | 51884 | 51884 | 51875 | 51874 | 51883 | 51884 | 51881 | 51878 | 51885 | 51883 | 51882 | 51886 | 51888 | 51881 |
7 | 51883 | 51874 | 51883 | 51909 | 51873 | 51861 | 51884 | 51872 | 51879 | 51877 | 51876 | 51883 | 51883 | 51880 | 51892 |
8 | 51883 | 51886 | 51872 | 51871 | 51873 | 51871 | 51873 | 51871 | 51886 | 51889 | 51883 | 51882 | 51888 | 51888 | 51887 |
9 | 51886 | 51885 | 51871 | 51871 | 51871 | 51875 | 51873 | 51881 | 51879 | 51888 | 51876 | 51887 | 51885 | 51881 | 51879 |
10 | 51874 | 51881 | 51872 | 51871 | 51873 | 51875 | 51873 | 51880 | 51879 | 51889 | 51892 | 51883 | 51888 | 51882 | 51892 |
11 | 51874 | 51871 | 51885 | 51871 | 51873 | 51872 | 51884 | 51872 | 51878 | 51887 | 51885 | 51883 | 51887 | 51887 | 51888 |
12 | 51875 | 51876 | 51873 | 51871 | 51874 | 51873 | 51874 | 51872 | 51879 | 51887 | 51885 | 51885 | 51889 | 51878 | 51888 |
13 | 51886 | 51883 | 51881 | 51872 | 51873 | 51884 | 51872 | 51880 | 51879 | 51887 | 51893 | 51890 | 51886 | 51888 | 51885 |
14 | 51872 | 51875 | 51871 | 51871 | 51874 | 51873 | 51875 | 51872 | 51873 | 51885 | 51889 | 51881 | 51885 | 51881 | 51883 |
15 | 51873 | 51881 | 51875 | 51871 | 51882 | 51883 | 51871 | 51874 | 51879 | 51885 | 51886 | 51883 | 51884 | 51893 | 51891 |
16 | 51881 | 51883 | 51882 | 51874 | 51872 | 51875 | 51872 | 51873 | 51885 | 51885 | 51883 | 51887 | 51886 | 51881 | 51888 |
17 | 51873 | 51883 | 51871 | 51871 | 51871 | 51874 | 51873 | 51873 | 51886 | 51890 | 51885 | 51882 | 51889 | 51884 | 51887 |
18 | 51883 | 51882 | 51882 | 51871 | 51871 | 51885 | 51873 | 51875 | 51878 | 51890 | 51877 | 51885 | 51886 | 51891 | 51886 |
19 | 51883 | 51883 | 51882 | 51874 | 51871 | 51875 | 51884 | 51880 | 51879 | 51887 | 51884 | 51881 | 51888 | 51881 | 51886 |
20 | 51886 | 51883 | 51874 | 51872 | 51871 | 51871 | 51874 | 51871 | 51880 | 51880 | 51885 | 51882 | 51887 | 51877 | 51887 |
21 | 51873 | 51875 | 51873 | 51858 | 51873 | 51873 | 51872 | 51881 | 51879 | 51888 | 51889 | 51883 | 51884 | 51881 | 51890 |
22 | 51880 | 51883 | 51872 | 51871 | 51873 | 51885 | 51872 | 51880 | 51879 | 51887 | 51877 | 51884 | 51883 | 51882 | 51887 |
23 | 51874 | 51882 | 51884 | 51872 | 51874 | 51880 | 51884 | 51872 | 51878 | 51890 | 51883 | 51881 | 51887 | 51881 | 51883 |
25 | 51882 | 51882 | 51882 | 51860 | 51873 | 51885 | 51873 | 51881 | 51879 | 51889 | 51877 | 51881 | 51884 | 51881 | 51887 |
30 | 51861 | 51877 | 51882 | 51872 | 51874 | 51871 | 51884 | 51880 | 51871 | 51889 | 51885 | 51882 | 51888 | 51882 | 51880 |
40 | 51884 | 51881 | 51872 | 51871 | 51873 | 51873 | 51874 | 51875 | 51871 | 51884 | 51885 | 51892 | 51887 | 51882 | 51891 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 51881 bytes | – | 100% |
1,000 | 51877 bytes | -4 bytes | 100% |
10,000 | 51870 bytes | -7 bytes | 100% |
100,000 | 51859 bytes | -11 bytes | 1.16% |
1,000,000 | 51858 bytes | -1 byte | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 52028 bytes | +170 bytes (+0.33%) | +78 bytes |
1 | 51950 bytes | +92 bytes (+0.18%) | – |
2 | 51962 bytes | +104 bytes (+0.20%) | +12 bytes |
3 | 51996 bytes | +138 bytes (+0.27%) | +46 bytes |
4 | 52028 bytes | +170 bytes (+0.33%) | +78 bytes |
5 | 52072 bytes | +214 bytes (+0.41%) | +122 bytes |
6 | 52083 bytes | +225 bytes (+0.43%) | +133 bytes |
7 | 52117 bytes | +259 bytes (+0.50%) | +167 bytes |
8 | 52105 bytes | +247 bytes (+0.48%) | +155 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 38253 bytes | -13605 bytes (-26.24%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 45606 bytes | -6252 bytes (-12.06%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 46465 bytes | -5393 bytes (-10.40%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 47870 bytes | -3988 bytes (-7.69%) |
LZMA2 (Wikipedia) | xz | xz -9 | 48972 bytes | -2886 bytes (-5.57%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 50443 bytes | -1415 bytes (-2.73%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 50696 bytes | -1162 bytes (-2.24%) |