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 average filter
PNG32 - 17384 colorsPNG32 - Lossy filter
Colors palette painting Colors palette painting - lossy filter
67,0 KB 30,3 KB
Image Compression


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