Get to know The Linux OS Ubuntu
Easy updates in Ubuntu
Safety and security in Ubuntu
How to customize Ubuntu
pngcrush 1.5.10
pngcrush is an optimizer for Portable Network Graphics files.
Its main purpose is to reduce the size of the PNG IDAT datastream by trying various compression levels and PNG filter methods.
pngcrush can also be used to remove unwanted ancillary chunks, or to add certain chunks, including gAMA, tRNS and textual chunks.
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