PngThing

Version: 1.1 || Release Date: 2007-12-07 || License: Freeware Developer: Level Ten Interactive | App Owner: timothygray

Strips unnecessary data from PNG files (especially those output from Photoshop)

Drop your PNG files on this application and it will strip unnecessary data from the file, often resulting in dramatically smaller files.

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2 Opinions

Probably not, the extra data is stuff like the name and settings of the software that created the PNG

PNGenie is a new tool that allows even better optimisation and is Intel native.
http://osx.iusethis.com/app/pngenie

When it "Strips unnecessary data from PNG files", does it make the files less compatible with, Internet Explorer or other computers?