Projects / pngnq


pngnq quantizes PNG images to 8-bit palette mode with alpha channel support. This is a variant on Greg Roelf's pngquant program, using the Neuquant algorithm by Anthony Dekker instead of a median cut filter. It has been tested on a range of images, and produces nice results.

Operating Systems

Recent releases

  •  17 Jun 2006 07:58

    Release Notes: A -n option was added for choosing the number of colours to quantize to. A -V option was added for printing version info. A bug that caused only 3/4 of pixels to be scanned was fixed. Quantized images should now be more accurate. A simple image comparison program was added.

    •  14 Sep 2004 18:30

      No changes have been submitted for this release.

      Recent comments

      16 Apr 2009 09:55 pornel

      There's an improved version:


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