• Cleans your PNG files of useless or wrong information.
  • Reduces your PNG files weight.
  • Converts into PNG other lossless image formats (BMP, GIF, TGA).
  • Supports animated PNG (APNG).
  • Creates easily available PNG screenshots.
  • Offers a simple and productive user interface.

Do you like PngOptimizer? Please consider making a donation: Donation for PngOptimizer


Other downloads

Windows x86 (32-bit)
Download PngOptimizer version 2.5 win-x86 (zip 158 kB)

PngOptimizerCL: a command line version of PngOptimizer

Windows x64
Download PngOptimizerCL version 2.5 win-x64 (zip 132 kB)
Windows x86
Download PngOptimizerCL version 2.5 win-x86 (zip 117 kB)
Linux x64 (built on Ubuntu 16.04)
Download PngOptimizerCL version 2.5 linux-x64 (tgz 120 kB)

PngOptimizer and PngOptimizerCL are distributed under the terms of the GNU General Public License (GPL).

PngOptimizer source code on GitHub