How to Use OptiPNG
Channel: SourceForge Software
Date: 2015-12-09

Learn how to use OptiPNG to optimize a PNG file. Download here: http://sourceforge.net/projects/optipng/

OptiPNG is a PNG optimizer that re-compresses 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.