OptiPNG: Advanced PNG Optimizer 0.7.7

OptiPNG is a PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections.

Notes

• Please uninstall any versions prior to version 0.7.6, otherwise you may experience problems with multiple optipng.exe file being available.