pingo image optimizer for web
pingo is an experimental lossless and lossy image optimizer (PNG, JPEG, WebP, APNG) designed to be used for web context
usage — examples
pingo -sN myfolder
pingo -sN -pngfilter=X *.png
PNG — lossless
-sN in.png
PNG — lossy
-pngpalette=X -sN in.png
-pngpalette=100 -s9
| infile |
outfile |
time |
| 219,49 KB |
86,08 KB |
0,14s |
| 3-norm: 0.880261 |
| palettization and palette ordering |
-pngfilter=X -sN in.png
-pngfilter=100 -s9
| infile |
outfile |
time |
| 197,91 KB |
121,08 KB |
0,47s |
| 3-norm: 0.644463 |
| prediction |
-pngcolor=X -sN in.png
-pngcolor=100 -s9
| infile |
outfile |
time |
| 209,30 KB |
92,40 KB |
0,23s |
| 3-norm: 0.340336 |
| color quantization |
PNG — auto
-auto=X -sN in.png
-auto=100 -s6
| infile |
outfile |
time |
| 171,02 KB |
17,31 KB |
0,57s |
| 3-norm: 0.000000 |
| lossless optimization |
| 580,38 KB |
25,91 KB |
0,26s |
| 3-norm: 0.145828 |
| palettization |
| 232,79 KB |
148,77 KB |
0,29s |
| 3-norm: 0.512102 |
| prediction |
| 975,49 KB |
544,41 KB |
0,24s |
| 3-norm: 0.303255 |
| JPEG conversion |
JPEG — lossless
-jpgtype=X -sN in.jpg
-jpgtype=0 -s0
| infile |
outfile |
time |
| 890,51 KB |
847,09 KB |
0,04s |
| baseline — fast decode/encode |
-jpgtype=2 -s0
| infile |
outfile |
time |
| 890,51 KB |
790,34 KB |
0,18s |
| progressive — slower decode/encode |
WebP — lossless
-webp-lossless -sN in.png
-webp-lossless -s9
| infile |
outfile |
time |
| 344,80 KB |
271,48 KB |
0,68s |
| palette ordering (from PNG) |
-sN in.webp
WebP — lossy
-webp-lossy=X -sN in.png
-webp-lossy=100 -s9
| infile |
outfile |
time |
| 195,58 KB |
72,20 KB |
0,06s |
| 3-norm: 0.824367 |
| alpha optimization |
-webp-lossy=X -nopre -sN in.png
-webp-lossy=100 -nopre -s9
| infile |
outfile |
time |
| 251,73 KB |
93,54 KB |
0,13s |
| 3-norm: 0.503232 |
| alpha optimization |
-webp-palette=X -sN in.png
-webp-palette=100 -s9
| infile |
outfile |
time |
| 157,49 KB |
35,91 KB |
0,19s |
| 3-norm: 0.733423 |
| palettization and palette ordering |
-webp-near=X -sN in.png
-webp-near=100 -s9
| infile |
outfile |
time |
| 280,64 KB |
181,61 KB |
0,46s |
| 12-norm: 0.319650 |
| tweaked near_lossless |
-webp-nigh=X -sN in.png
-webp-nigh=100 -s9
| infile |
outfile |
time |
| 280,64 KB |
176,65 KB |
0,35s |
| 12-norm: 0.492774 |
| cq close lossless |
WebP — auto
-webp=X -sN in.png
-webp=100 -s9
| infile |
outfile |
time |
| 171,02 KB |
6,94 KB |
0,05s |
| 3-norm: 0.000000 |
| lossless optimization |
| 580,38 KB |
20,84 KB |
0,17s |
| 3-norm: 0.145828 |
| palettization |
| 232,79 KB |
50,33 KB |
0,05s |
| 3-norm: 0.688819 |
| lossy WebP |
| 975,49 KB |
336,31 KB |
0,10s |
| 3-norm: 0.429605 |
| lossy WebP |
APNG — lossless
-sN in.png
APNG — lossy
-pngpalette=X -sN in.png
-pngpalette=100 -s9
| infile |
outfile |
time |
| 370,09 KB |
213,87 KB |
2,58s |
| 3-norm: 0.247078 |
| palettization and palette ordering |
-pngfilter=X -sN in.png
-pngfilter=100 -s9
| infile |
outfile |
time |
| 621,74 KB |
450,51 KB |
1,05s |
| 3-norm: 0.367333 |
| prediction |
