|Graphics for Inclusion in Electronic Documents|
Essay on how to produce portable graphics files that can be imported into other documents , especially tex. the advice is aimed mostly at linux or similar operating systems which have a wealth of open-source command-line tools. also includes guidelines for
|Image File Formats|
Listing of image formats and their associated file extensions.
Information about seven common web image formats.
|The Graphics File Format Page|
Specifications for various graphics file formats along with some source code and utilities.
|The Unofficial Photoshop Color Book File Format|
Adobe photoshop stores color books in a native format with the file extension . acb on pcs and 8bcb file types on macs. this is an unofficial documentation of the specification.
|W3C Overview of Web Graphics|
Information from the world wide web consortium on format comparisons , integration into html and xml.