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pngquant

command-line utility and library for lossy compression of PNG images

  • Mac
  • Windows
  • Linux

What is pngquant?

pngquant is a command-line utility and a library for lossy compression of PNG images.

The conversion reduces file sizes significantly (often as much as 70%) and preserves full alpha transparency. Generated images are compatible with all modern web browsers, and have better fallback in IE6 than 24-bit PNGs. Features

  • High-quality palette generation using a combination of vector quantization algorithms.
  • Unique adaptive dithering algorithm that adds less noise to images than the standard Floyd-Steinberg.
  • Easy to integrate with shell scripts, GUIs and server-side software.
  • Fast mode for processing large numbers of images.
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Supported Languages

  • English

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pngquant was added to AlternativeTo by Graziella on and this page was last updated .

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Tags

  • png

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