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| | Compression - Algorithms, Computers 75
Web - Graphics, Computers 1,229
Graphics - Software, Computers 2,151
 PNG SpecificationPNG Specification
 
The official W3C recommendation specification for PNG.
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APNG EditAPNG Edit
 A firefox extension to allow the creation and editing of APNG files.
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APNG SpecificationAPNG Specification
 An extension of the PNG image format, adding support for animated images. Includes full specification including file structure and version changes.
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PNGPNG
 Information, applications, and code relating to the PNG image format.
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PNG Resources of the Miscellaneous PersuasionPNG Resources of the Miscellaneous Persuasion
 Links to images, mailing lists, test images, PNG and image compression documents, comics and websites using PNGs, the official site, and some unofficial resource sites.
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PNG Tips for CartoonistsPNG Tips for Cartoonists
 Article written to encourage cartoonists to use PNG and to share tips on exploiting PNG's strengths.
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PNG-TechPNG-Tech
 A collection of comments, impressions, comparisons, experiments and ideas regarding the PNG (Portable Network Graphics) file format, and related technologies: ZLIB (Data Compression Format and Library), and MNG (Multiple-Image Network Graphics). It is focused on the compression algorithms used in PNG.
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Portable Network Graphics - PNGPortable Network Graphics - PNG
 Thorough introduction to PNG image format.
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The Sad Story of PNG Gamma CorrectionThe Sad Story of PNG Gamma Correction
 Explains how PNG gamma "correction" causes color mismatches with other colors on web pages.
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W3C: PNGW3C: PNG
 W3C overview of PNG. Includes browser tests to see if gamma and alpha work correctly.
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Open Source Graphics with PNGOpen Source Graphics with PNG
 Joe Barr discusses PNG, the new open source file format, and the Unisys/CompuServe/GIF controversy. [LinuxWorld] (September 9, 1999)
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The Story of PNGThe Story of PNG
 An article detailing the history of the PNG format. (February 29, 1999)
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