gzip -6 (default) |
55957 bytes (54.6k)
|
local copy |
gzip -9 |
55900 bytes (54.6k)
|
local copy |
libdeflate -12 |
53261 bytes (52.0k)
|
local copy |
7zip -mx=9 -tgzip |
53237 bytes (52.0k)
|
local copy |
zultra |
53165 bytes (51.9k)
|
local copy |
kzip -s0 -rn -b1 |
53155 bytes (51.9k)
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local copy |
pigz -11 -n |
53149 bytes (51.9k)
|
local copy |
Zopfli |
53066 bytes (51.8k)
|
local copy |
Zopfli (defluff) |
53062 bytes (51.8k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 100000 | --i100000 |
maximum blocks | 8 | --mb8 |
maximum length score | 128 | --mls128 |
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 |
---|---|---|---|
53066 bytes | -6 bytes | zopfli --i100000 --mls128 --bsr14 --lazy --ohh | March 4, 2022 @ 22:01 |
53072 bytes | -6 bytes | zopfli --i10000 --mls128 --bsr14 --lazy --ohh | February 25, 2022 @ 05:40 |
53078 bytes | -1 byte | zopfli --i1000 --mls8 --bsr14 --lazy --ohh | February 24, 2022 @ 22:02 |
53079 bytes | – | zopfli --i100 --mls2 --bsr2 --lazy --ohh | February 24, 2022 @ 15:41 |
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 | 53077 | 53077 | 53076 | 53080 | 53080 | 53075 | 53075 | 53075 | 53075 | 53077 | 53086 | 53085 | 53089 | 53103 | 53097 |
4 | 53114 | 53075 | 53074 | 53078 | 53091 | 53078 | 53074 | 53075 | 53081 | 53088 | 53086 | 53088 | 53089 | 53087 | 53101 |
6 | 53116 | 53119 | 53077 | 53076 | 53082 | 53075 | 53079 | 53081 | 53082 | 53095 | 53095 | 53083 | 53087 | 53088 | 53087 |
7 | 53111 | 53115 | 53083 | 53114 | 53075 | 53075 | 53067 | 53084 | 53082 | 53078 | 53097 | 53084 | 53087 | 53090 | 53085 |
8 | 53106 | 53102 | 53074 | 53076 | 53074 | 53086 | 53078 | 53075 | 53081 | 53089 | 53087 | 53086 | 53092 | 53084 | 53086 |
9 | 53118 | 53115 | 53075 | 53080 | 53079 | 53078 | 53067 | 53080 | 53081 | 53094 | 53085 | 53088 | 53089 | 53086 | 53087 |
10 | 53116 | 53106 | 53073 | 53112 | 53077 | 53073 | 53084 | 53081 | 53081 | 53085 | 53098 | 53077 | 53089 | 53075 | 53091 |
11 | 53109 | 53106 | 53074 | 53076 | 53080 | 53075 | 53073 | 53073 | 53077 | 53088 | 53085 | 53086 | 53088 | 53076 | 53084 |
12 | 53076 | 53111 | 53074 | 53110 | 53078 | 53080 | 53073 | 53077 | 53082 | 53089 | 53085 | 53087 | 53087 | 53090 | 53092 |
13 | 53103 | 53107 | 53075 | 53076 | 53079 | 53081 | 53067 | 53074 | 53081 | 53085 | 53096 | 53084 | 53092 | 53087 | 53091 |
14 | 53073 | 53074 | 53071 | 53077 | 53083 | 53079 | 53066 | 53078 | 53081 | 53090 | 53097 | 53083 | 53088 | 53086 | 53086 |
15 | 53108 | 53108 | 53067 | 53076 | 53073 | 53076 | 53079 | 53082 | 53089 | 53088 | 53097 | 53083 | 53087 | 53090 | 53088 |
16 | 53078 | 53074 | 53080 | 53074 | 53075 | 53078 | 53078 | 53078 | 53081 | 53088 | 53083 | 53087 | 53087 | 53095 | 53091 |
17 | 53107 | 53106 | 53081 | 53077 | 53076 | 53077 | 53079 | 53081 | 53082 | 53088 | 53085 | 53083 | 53088 | 53088 | 53088 |
18 | 53109 | 53106 | 53076 | 53077 | 53079 | 53078 | 53073 | 53081 | 53082 | 53087 | 53097 | 53084 | 53086 | 53091 | 53092 |
19 | 53073 | 53115 | 53073 | 53077 | 53079 | 53091 | 53074 | 53075 | 53081 | 53088 | 53085 | 53078 | 53088 | 53092 | 53088 |
20 | 53110 | 53104 | 53074 | 53076 | 53079 | 53077 | 53073 | 53081 | 53081 | 53098 | 53097 | 53085 | 53082 | 53089 | 53097 |
21 | 53108 | 53099 | 53075 | 53075 | 53079 | 53076 | 53079 | 53076 | 53082 | 53090 | 53087 | 53083 | 53089 | 53088 | 53091 |
22 | 53109 | 53115 | 53075 | 53076 | 53083 | 53081 | 53067 | 53075 | 53088 | 53088 | 53100 | 53085 | 53082 | 53079 | 53087 |
23 | 53110 | 53115 | 53074 | 53112 | 53074 | 53073 | 53074 | 53080 | 53088 | 53085 | 53086 | 53076 | 53084 | 53096 | 53088 |
25 | 53104 | 53103 | 53076 | 53076 | 53074 | 53078 | 53073 | 53081 | 53088 | 53088 | 53086 | 53085 | 53088 | 53094 | 53088 |
30 | 53102 | 53103 | 53077 | 53075 | 53076 | 53073 | 53074 | 53080 | 53082 | 53088 | 53096 | 53088 | 53087 | 53079 | 53088 |
40 | 53108 | 53104 | 53067 | 53075 | 53075 | 53071 | 53074 | 53080 | 53081 | 53088 | 53097 | 53088 | 53092 | 53088 | 53086 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 53079 bytes | – | 100% |
1,000 | 53078 bytes | -1 byte | 100% |
10,000 | 53072 bytes | -6 bytes | 100% |
100,000 | 53066 bytes | -6 bytes | 2.61% |
1,000,000 | 53066 bytes | – | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 53188 bytes | +122 bytes (+0.23%) | +33 bytes |
1 | 53155 bytes | +89 bytes (+0.17%) | – |
2 | 53188 bytes | +122 bytes (+0.23%) | +33 bytes |
3 | 53219 bytes | +153 bytes (+0.29%) | +64 bytes |
4 | 53246 bytes | +180 bytes (+0.34%) | +91 bytes |
5 | 53274 bytes | +208 bytes (+0.39%) | +119 bytes |
6 | 53320 bytes | +254 bytes (+0.48%) | +165 bytes |
7 | 53323 bytes | +257 bytes (+0.48%) | +168 bytes |
8 | 53323 bytes | +257 bytes (+0.48%) | +168 bytes |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 39003 bytes | -14063 bytes (-26.50%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 46552 bytes | -6514 bytes (-12.28%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 47536 bytes | -5530 bytes (-10.42%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 48999 bytes | -4067 bytes (-7.66%) |
LZMA2 (Wikipedia) | xz | xz -9 | 50064 bytes | -3002 bytes (-5.66%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 51376 bytes | -1690 bytes (-3.18%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 51711 bytes | -1355 bytes (-2.55%) |