Lossy PNG compressor — pngquant command based on libimagequant library
Insane(ly slow but wicked good) PNG image optimization
Image compression in web browser
nin is ninjatool
Lossy PNG compressor for RGBA PNGs. Has two modes: lossy averaging filte...
Simple image optimizer for JPEG, PNG and GIF images on Linux, MacOS and ...
Batch image resizer, optimiser and profiler using ImageMagick convert, O...
Lossy compression of PNG images
A really fast encoder for PNG images in Java.