TweakPNG v1.4.6

Checker on 12 Sep 2014

TweakPNG is a low-level utility for examining and modifying PNG image files. As it works with detailed file internals, a familiarity with the PNG format is useful.

A 64-bit version is included (within the x64 subfolder).

System Requirements: WinXP / Vista / Win7 / Win8
Writes settings to: Windows registry. But given the nature of the application and the small number of settings it exposes, I think it can be accepted as portable.
Unicode support: Yes
License: GPL
How to extract: Download the ZIP package and extract to a folder of your choice. Launch tweakpng.exe.
What's new?
  • Maintenance release.
  • "Copy image to clipboard" feature.
  • Made "Correct for nonsquare pixels" optional.

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