TweakPNGTweakPNG is a low-level utility for examining and modifying PNG image files. It supports Windows XP and higher. In order to make much use of it, you will have to be at least somewhat familiar with the internal format of PNG files. For information about PNG, see the PNG home page. A screenshot of TweakPNG: To download TweakPNG, save the following link: tweakpng-1.4.6.zip (about 500K) 2014-09-07 You
