TweakPNG

TweakPNG 1.4.6 for Windows

User Interface Screenshots

TweakPNG Abstract:

TweakPNG is a low-level utility for examining and modifying PNG image files. It is a free and open source PNG tweaking application that's portable and light on system resources.

Here is a screenshot to illustrate the features and user interface of this application:

Allows you to view and modify Network Graphics files - Screenshot of TweakPNG
Allows you to view and modify Network Graphics files.
Screenshot of TweakPNG - 755px · 321px