Resources

Articles & Tutorials

• Dithering: a visual dithering tutorial
  Amazing visual tutorial of how dithering works.
• Ditherpunk — The article I wish I had about monochrome image dithering
  A great, comprehensive and technical run-down of many different dithering methods.
• Image Dithering: Eleven Algorithms and Source Code
  A helpful article with great examples and in-depth info.
• Dithering.
  A nice little rundown of some error diffusion algorithms, including one developed by the author.
• Low-tech Magazine Solar Website
  The inspiration for Dither it! — discusses Low-tech Magazine's decision to use dithered images on the solar powered version of their site.

Tools

• Dithering Studio
  A cool dithering tool with a nice video mode.
• Dither me this
  A site very similar to Dither it!
• Didder
  A beefy command line interface for dithering images.
• Image dithering with ImageMagick
  ImageMagick has some robust quantization and dithering functionality.
• PHP imagetruecolortopalette
  A PHP function for very simple image dithering.

Libraries

• RgbQuant.js
  The quantization library that powered the original Dither it!
• Image-q
  A fork of RgbQuant.js with some additional features.