Main Page | See live article | Alphabetical index RFC 2083 specifies version 1.0 of the PNG graphics file format. It is not an official IETF standard, but it is a World Wide Web Consortium recommendation. It has been superseded by later versions of the PNG specification. External links Full text of RFC 2083 PNG (Portable Network Graphics) Specification Version 1.0. Thomas Boutell. March 1997. RFC 2083 in HTML format This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.