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Computers, Data Formats, Graphics, 2D, GIF


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See Also:
Editor's Picks:

- Original specification describing the file layout as originated by CompuServe. Also known as Gif87a.


  • - League for Programming Freedom (LPF) page on the Unisys patent controversy.
  • - Article on the GIF controversy seen from a software developer's perspective. Includes original interviews, a historical perspective, up-to-date information and a detailed bibliography.
  • - The US patent covering the LZW compression algorithm used in GIF images.
  • - Provides detailed specification of file layout, encoding and decoding algorithm, and color space model for gif89a.
  • - The program converts files from the Graphic Interchange Format to Portable Network Graphics. The conversion preserves all graphic information, including transparency. The program can recover data from corrupted GIFs.
  • - Information on upgrading a web site from the patent-encumbered GIF format to freely available graphics.

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