image compression

pinga, PNG and JPG optimizer

a free, fast and simple front-end GUI to optimize PNG and JPG for Web — lossless, visually lossless or lossy compression

pinga, front-end GUI PNG and JPG optimizer
image compression

lossy PNG optimization

how to do lossy PNG optimization for Web and what tools you should use to do color quantization, lossy filtering or posterization

lossy filtering
original lossy
Colored lab 4 Colored lab - pingo
90,6 KB 48,4 KB
image compression

TruePNG

how TruePNG do image reductions on PNG files and why it performs better than other tools with stronger compression algorithm

TruePNG, colors ordering in PNG palette
Standard TruePNG
Colors ordering brown pngrewrite Colors ordering brown by TruePNG
21,0 KB 17,0 KB