TweakPNG Changelog

What's new in TweakPNG 1.4.6

Sep 17, 2014
  • "Copy image to clipboard" feature
  • Made "Correct for nonsquare pixels" optional

New in TweakPNG 1.4.5 (Dec 27, 2012)

  • Fixes and improvements related to compressed text.
  • Changed the viewer’s background color options.

New in TweakPNG 1.4.4 (Nov 26, 2012)

  • Improved support for ICC profiles.
  • Improved viewer’s image quality for images with partial transparency.

New in TweakPNG 1.4.2 (Nov 26, 2012)

  • Rewrote the viewer’s PNG decoder. Slightly more accurate gamma correction.
  • Updated to libpng 1.5.4.

New in TweakPNG 1.4.1 (Nov 26, 2012)

  • Support for 64-bit builds.
  • Support for sCAL chunks.
  • Allow drag/drop onto viewer window.
  • Minor changes to shortcut keys, icons, etc.
  • Updated to libpng 1.5.0.

New in TweakPNG 1.4.0 (Nov 26, 2012)

  • Full support for oFFs, acTL, fcTL chunks.
  • Support for filters (tools that modify the PNG file).
  • Added "Close" and "Reopen" menu items.
  • Changed the ZIP file structure slightly; now includes a directory name.
  • Updated to libpng 1.4.2 and zlib 1.2.5.

New in TweakPNG 1.3.2 (Nov 26, 2012)

  • Fixed bugs when restoring the position of auxiliary windows.
  • Fixed the context menu position when using multiple monitors.
  • Updated to libpng 1.2.39.

New in TweakPNG 1.3.1 (Nov 26, 2012)

  • Full support for sTER chunks.
  • Read-only support for APNG chunks.
  • Less likely to crash if you attempt to edit an incorrectly-sized chunk.
  • Updated to libpng 1.2.33.

New in TweakPNG 1.2.1 (Feb 5, 2008)

  • Updated the binary to use the latest versions of zlib (1.2.2) and libpng (1.2.8).