Portable Network Graphics (PNG) Specification, version 1.1

This is version 1.1 of the specification for the Portable Network Graphics image format. This version was superseded by version 1.2 on 11 August 1999.

PNG specification, version 1.1

HTML format, multi-page:

US (California) or local mirror site (also via ftp and in a tar.gz archive)

HTML format, single page:

US (California) or local mirror site (also via ftp and in HTML 2.0 format)

ASCII text:

US (California) or local mirror site (also via ftp and in IETF format)

US letter-size PostScript:

US (California) or local mirror site (also via ftp)

Adobe PDF (converted by Vadim Pavlov / Private Document Centre), 422k:

US (California) or local mirror site (also via ftp)

Here are some related PNG pages at this site:

• Introduction to PNG features
• Current Status of PNG
• History of PNG
• News (and more history) of the PNG Development Group
• Related Specifications and Documentation:
  • PNG Specification
  • PNG Technical Documentation
  • zlib Technical Documentation
  • MNG Technical Documentation
• PNG: The Definitive Guide and Related Books
• PNG-supporting Applications
• PNG Programming Information:
  • PNG-supporting Libraries and Toolkits
    • libpng home page
    • zlib home page
  • PNG Source Code

• PNG Home Page
• Complete PNG Site Map

Copyright © 1996-2015 Greg Roelofs.