gzip -6 (default) |
15691 bytes (15.3k)
|
local copy |
gzip -9 |
15650 bytes (15.3k)
|
local copy |
libdeflate -12 |
15128 bytes (14.8k)
|
local copy |
kzip -s0 -rn -b1 |
15111 bytes (14.8k)
|
local copy |
zultra |
15100 bytes (14.7k)
|
local copy |
7zip -mx=9 -tgzip |
15083 bytes (14.7k)
|
local copy |
pigz -11 -n |
15064 bytes (14.7k)
|
local copy |
Zopfli |
15048 bytes (14.7k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 16384 | --mls16384 |
block splitting recursion | 8 | --bsr8 |
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 |
---|---|---|---|
15048 bytes | -1 byte | zopfli --i100000 --mls16384 --bsr8 --lazy --ohh | October 21, 2015 @ 15:51 |
15049 bytes | -2 bytes | zopfli --i100000 --mls2048 --bsr10 --lazy --ohh | September 2, 2015 @ 02:30 |
15051 bytes | -2 bytes | zopfli --i10000 --mls2048 --bsr10 --lazy --ohh | September 1, 2015 @ 21:42 |
15053 bytes | -1 byte | zopfli --i1000 --mls2048 --bsr10 --lazy --ohh | September 1, 2015 @ 20:40 |
15054 bytes | – | zopfli --i100 --mls2048 --bsr10 --lazy --ohh | September 1, 2015 @ 20:24 |
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 | 15075 | 15073 | 15070 | 15070 | 15071 | 15071 | 15071 | 15070 | 15070 | 15064 | 15064 | 15062 | 15070 | 15056 | 15066 |
4 | 15055 | 15053 | 15052 | 15050 | 15054 | 15052 | 15052 | 15064 | 15060 | 15053 | 15054 | 15062 | 15059 | 15056 | 15055 |
6 | 15064 | 15061 | 15055 | 15058 | 15057 | 15059 | 15058 | 15064 | 15061 | 15058 | 15055 | 15058 | 15058 | 15057 | 15057 |
7 | 15061 | 15066 | 15057 | 15056 | 15061 | 15056 | 15053 | 15052 | 15060 | 15059 | 15056 | 15054 | 15062 | 15067 | 15056 |
8 | 15064 | 15062 | 15055 | 15055 | 15054 | 15056 | 15055 | 15057 | 15058 | 15053 | 15059 | 15057 | 15054 | 15048 | 15054 |
9 | 15063 | 15053 | 15055 | 15053 | 15054 | 15056 | 15055 | 15054 | 15054 | 15051 | 15054 | 15057 | 15057 | 15048 | 15055 |
10 | 15059 | 15060 | 15060 | 15062 | 15061 | 15066 | 15060 | 15053 | 15059 | 15054 | 15049 | 15060 | 15070 | 15054 | 15056 |
11 | 15065 | 15063 | 15058 | 15053 | 15056 | 15057 | 15057 | 15053 | 15058 | 15055 | 15056 | 15059 | 15056 | 15058 | 15054 |
12 | 15064 | 15054 | 15050 | 15052 | 15055 | 15056 | 15054 | 15053 | 15058 | 15057 | 15055 | 15053 | 15056 | 15049 | 15054 |
13 | 15063 | 15061 | 15054 | 15053 | 15055 | 15054 | 15054 | 15057 | 15057 | 15054 | 15056 | 15056 | 15056 | 15060 | 15059 |
14 | 15065 | 15063 | 15062 | 15057 | 15056 | 15063 | 15054 | 15056 | 15060 | 15056 | 15053 | 15057 | 15054 | 15058 | 15054 |
15 | 15062 | 15056 | 15051 | 15059 | 15054 | 15056 | 15052 | 15058 | 15058 | 15052 | 15056 | 15054 | 15056 | 15060 | 15056 |
16 | 15062 | 15063 | 15054 | 15053 | 15056 | 15061 | 15054 | 15052 | 15058 | 15055 | 15055 | 15061 | 15057 | 15067 | 15057 |
17 | 15062 | 15063 | 15049 | 15053 | 15055 | 15054 | 15053 | 15056 | 15061 | 15058 | 15054 | 15060 | 15057 | 15051 | 15057 |
18 | 15063 | 15054 | 15055 | 15054 | 15056 | 15061 | 15055 | 15054 | 15060 | 15057 | 15055 | 15058 | 15056 | 15053 | 15057 |
19 | 15063 | 15065 | 15054 | 15053 | 15057 | 15059 | 15055 | 15057 | 15058 | 15057 | 15052 | 15058 | 15054 | 15052 | 15055 |
20 | 15063 | 15058 | 15057 | 15056 | 15055 | 15057 | 15056 | 15052 | 15058 | 15057 | 15052 | 15058 | 15056 | 15052 | 15054 |
21 | 15063 | 15063 | 15054 | 15055 | 15055 | 15056 | 15056 | 15058 | 15058 | 15058 | 15056 | 15057 | 15056 | 15050 | 15054 |
22 | 15062 | 15066 | 15064 | 15051 | 15062 | 15054 | 15053 | 15055 | 15059 | 15054 | 15054 | 15053 | 15056 | 15048 | 15053 |
23 | 15065 | 15061 | 15054 | 15053 | 15054 | 15056 | 15054 | 15057 | 15064 | 15053 | 15052 | 15058 | 15057 | 15055 | 15057 |
25 | 15063 | 15062 | 15055 | 15054 | 15054 | 15058 | 15053 | 15053 | 15061 | 15050 | 15054 | 15060 | 15055 | 15050 | 15054 |
30 | 15051 | 15054 | 15056 | 15055 | 15054 | 15056 | 15051 | 15057 | 15058 | 15054 | 15052 | 15058 | 15054 | 15052 | 15054 |
40 | 15065 | 15055 | 15052 | 15054 | 15057 | 15056 | 15053 | 15055 | 15061 | 15055 | 15053 | 15057 | 15055 | 15048 | 15056 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 15054 bytes | – | 100% |
1,000 | 15051 bytes | -3 bytes | 100% |
10,000 | 15049 bytes | -2 bytes | 100% |
100,000 | 15048 bytes | -1 byte | 2.03% |
1,000,000 | – | – | – |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 15113 bytes | +65 bytes (+0.43%) | +2 bytes |
1 | 15111 bytes | +63 bytes (+0.42%) | – |
2 | 15113 bytes | +65 bytes (+0.43%) | +2 bytes |
3 | 15128 bytes | +80 bytes (+0.53%) | +17 bytes |
4 | 15154 bytes | +106 bytes (+0.70%) | +43 bytes |
5 | 15150 bytes | +102 bytes (+0.68%) | +39 bytes |
6 | 15194 bytes | +146 bytes (+0.97%) | +83 bytes |
7 | 15223 bytes | +175 bytes (+1.16%) | +112 bytes |
8 | 15237 bytes | +189 bytes (+1.26%) | +126 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 12817 bytes | -2231 bytes (-14.83%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 13002 bytes | -2046 bytes (-13.60%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 13842 bytes | -1206 bytes (-8.01%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 14198 bytes | -850 bytes (-5.65%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 14711 bytes | -337 bytes (-2.24%) |
LZMA2 (Wikipedia) | xz | xz -9 | 14916 bytes | -132 bytes (-0.88%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 15047 bytes | -1 byte (-0.01%) |