png tweaker freeware downloads

File Optimizer

16.60.2819 freeware download

FileOptimizer is an advanced file optimizer featuring a lossless (no quality loss) file size reduction that supports: .3G2, .3GG, .3GP, .7Z, .A, .AAI, .AC, .ACC, .ADP, ...

TweakPNG

1.4.4 freeware download

... to use application which allows you to view PNG files' details. TweakPNG is a low-level utility for examining and modifying PNG image files. In order to use TweakPNG you ...