gzip -6 (default) |
31392 bytes (30.7k)
|
local copy |
gzip -9 |
31345 bytes (30.6k)
|
local copy |
7zip -mx=9 -tgzip |
29939 bytes (29.2k)
|
local copy |
libdeflate -12 |
29918 bytes (29.2k)
|
local copy |
kzip -s0 -rn -b3 |
29912 bytes (29.2k)
|
local copy |
zultra |
29899 bytes (29.2k)
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local copy |
pigz -11 -n |
29875 bytes (29.2k)
|
local copy |
Zopfli |
29798 bytes (29.1k)
|
local copy |
Zopfli (defluff) |
29796 bytes (29.1k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 2 | --mls2 |
block splitting recursion | 14 | --bsr14 |
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 |
---|---|---|---|
29798 bytes | -2 bytes | zopfli --i1000000 --mls2 --bsr14 --lazy --ohh | February 27, 2020 @ 17:55 |
29800 bytes | -1 byte | zopfli --i100000 --mls2 --bsr14 --lazy --ohh | February 27, 2020 @ 11:18 |
29801 bytes | -2 bytes | zopfli --i100000 --mls8 --bsr30 --lazy --ohh | January 28, 2020 @ 18:24 |
29803 bytes | -2 bytes | zopfli --i10000 --mls8 --bsr30 --lazy --ohh | January 28, 2020 @ 17:43 |
29805 bytes | -2 bytes | zopfli --i1000 --mls8 --bsr30 --lazy --ohh | January 28, 2020 @ 16:36 |
29807 bytes | -2 bytes | zopfli --i1000 --mls512 --bsr15 --lazy --ohh | January 28, 2020 @ 14:19 |
29809 bytes | -2 bytes | zopfli --i1000 --mls512 --bsr30 --lazy --ohh | January 28, 2020 @ 13:53 |
29811 bytes | – | zopfli --i100 --mls2 --bsr14 --lazy --ohh | January 28, 2020 @ 13:36 |
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 | 29842 | 29862 | 29847 | 29859 | 29851 | 29861 | 29879 | 29868 | 29879 | 29871 | 29865 | 29868 | 29880 | 29878 | 29870 |
4 | 29845 | 29840 | 29844 | 29844 | 29857 | 29869 | 29871 | 29861 | 29867 | 29860 | 29863 | 29865 | 29870 | 29869 | 29862 |
6 | 29825 | 29822 | 29827 | 29867 | 29830 | 29824 | 29837 | 29860 | 29836 | 29869 | 29856 | 29863 | 29868 | 29871 | 29867 |
7 | 29848 | 29844 | 29839 | 29846 | 29835 | 29830 | 29859 | 29858 | 29852 | 29858 | 29856 | 29854 | 29878 | 29861 | 29871 |
8 | 29816 | 29825 | 29817 | 29838 | 29846 | 29813 | 29861 | 29866 | 29827 | 29866 | 29860 | 29861 | 29868 | 29868 | 29871 |
9 | 29819 | 29841 | 29838 | 29839 | 29838 | 29837 | 29863 | 29858 | 29859 | 29867 | 29859 | 29863 | 29873 | 29860 | 29868 |
10 | 29825 | 29836 | 29810 | 29834 | 29822 | 29839 | 29863 | 29860 | 29857 | 29858 | 29852 | 29859 | 29863 | 29868 | 29860 |
11 | 29839 | 29834 | 29830 | 29839 | 29834 | 29832 | 29858 | 29858 | 29868 | 29867 | 29858 | 29866 | 29861 | 29859 | 29867 |
12 | 29815 | 29823 | 29817 | 29838 | 29836 | 29830 | 29855 | 29860 | 29830 | 29853 | 29851 | 29863 | 29868 | 29865 | 29862 |
13 | 29834 | 29836 | 29814 | 29831 | 29827 | 29828 | 29851 | 29857 | 29820 | 29851 | 29851 | 29861 | 29856 | 29863 | 29870 |
14 | 29798 | 29819 | 29827 | 29827 | 29826 | 29829 | 29834 | 29852 | 29818 | 29853 | 29853 | 29863 | 29861 | 29871 | 29870 |
15 | 29836 | 29805 | 29843 | 29823 | 29829 | 29836 | 29852 | 29862 | 29803 | 29854 | 29852 | 29865 | 29882 | 29873 | 29870 |
16 | 29818 | 29809 | 29817 | 29825 | 29837 | 29831 | 29850 | 29863 | 29851 | 29860 | 29857 | 29862 | 29869 | 29873 | 29869 |
17 | 29812 | 29831 | 29841 | 29841 | 29838 | 29843 | 29863 | 29859 | 29832 | 29858 | 29856 | 29861 | 29858 | 29871 | 29868 |
18 | 29822 | 29819 | 29842 | 29831 | 29828 | 29818 | 29863 | 29859 | 29827 | 29858 | 29858 | 29863 | 29866 | 29869 | 29868 |
19 | 29835 | 29818 | 29811 | 29829 | 29834 | 29816 | 29864 | 29857 | 29814 | 29865 | 29858 | 29862 | 29858 | 29858 | 29868 |
20 | 29839 | 29844 | 29819 | 29839 | 29832 | 29817 | 29846 | 29859 | 29839 | 29866 | 29814 | 29857 | 29869 | 29858 | 29859 |
21 | 29820 | 29811 | 29811 | 29836 | 29830 | 29843 | 29851 | 29862 | 29864 | 29860 | 29853 | 29859 | 29866 | 29877 | 29859 |
22 | 29843 | 29819 | 29816 | 29840 | 29838 | 29850 | 29863 | 29864 | 29861 | 29860 | 29856 | 29865 | 29857 | 29862 | 29869 |
23 | 29818 | 29817 | 29808 | 29842 | 29829 | 29814 | 29816 | 29859 | 29820 | 29866 | 29851 | 29865 | 29858 | 29860 | 29868 |
25 | 29816 | 29828 | 29815 | 29839 | 29838 | 29826 | 29850 | 29863 | 29808 | 29853 | 29851 | 29856 | 29875 | 29872 | 29867 |
30 | 29833 | 29833 | 29801 | 29842 | 29835 | 29829 | 29850 | 29857 | 29803 | 29851 | 29861 | 29862 | 29858 | 29859 | 29868 |
40 | 29812 | 29819 | 29812 | 29837 | 29834 | 29834 | 29850 | 29859 | 29822 | 29854 | 29861 | 29866 | 29861 | 29862 | 29867 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 29811 bytes | – | 100% |
1,000 | 29805 bytes | -6 bytes | 100% |
10,000 | 29802 bytes | -3 bytes | 100% |
100,000 | 29800 bytes | -2 bytes | 0.58% |
1,000,000 | 29798 bytes | -2 bytes | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 29925 bytes | +127 bytes (+0.43%) | +13 bytes |
1 | 29932 bytes | +134 bytes (+0.45%) | +20 bytes |
2 | 29959 bytes | +161 bytes (+0.54%) | +47 bytes |
3 | 29912 bytes | +114 bytes (+0.38%) | – |
4 | 29951 bytes | +153 bytes (+0.51%) | +39 bytes |
5 | 29941 bytes | +143 bytes (+0.48%) | +29 bytes |
6 | 29954 bytes | +156 bytes (+0.52%) | +42 bytes |
7 | 29942 bytes | +144 bytes (+0.48%) | +30 bytes |
8 | 29977 bytes | +179 bytes (+0.60%) | +65 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 23529 bytes | -6269 bytes (-21.04%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 26436 bytes | -3362 bytes (-11.28%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 27443 bytes | -2355 bytes (-7.90%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 27532 bytes | -2266 bytes (-7.60%) |
LZMA2 (Wikipedia) | xz | xz -9 | 28452 bytes | -1346 bytes (-4.52%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 29119 bytes | -679 bytes (-2.28%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 29344 bytes | -454 bytes (-1.52%) |