pngcrush - PNG optimizer utility in openSUSE
Tue, 02/17/2009 - 02:54 — susegeek(via www.susegeek.com)
pngcrush is an optimizer tool for PNG (Portable Network graphic) files. pngcrush is an excellent batch-mode compression utility for PNG images. Depending on the application that created the original PNGs, it can improve the file size anywhere from a few percent to 40% or more (completely losslessly)