pngquant is a command-line utility for converting 24/32-bit PNG images to paletted (8-bit) PNGs. The conversion reduces file sizes significantly (often as much as 70%) and preserves full alpha transparency. Generated images are compatible wit... 続きを読む
Conrad Chu, Design Director at Ask.com, thought he needed an image compression tool better suited for designers and front-end developers (compared to smush.it) and scratched the itch with punypng. punypng is serious about image compression —... 続きを読む