- Almost Every File Format in the World
Offers an exhaustive list of file formats and brief descriptions of what they are used for.
Overview of data formats ranging from data to file formats.
Information on several formats of data including transmission, biological, media, text, audio, and video.
Features information on data formats, including MPEG, MP3, WAV, AVI, and image file formats.
- Dot What?!
Collection of file extensions and formats. Resource website that provides detailed information about Microsoft Windows, Apple Macintosh, and Linux operating systems.
Library of file extensions, what they are used for; and programs they are associated with.
Offers a large list of the filename extensions with detailed explanation of each file type, its file associations, and the way it is used.
Dedicated to helping developers, gamers, and techno-enthusiasts find and use binary file formats, definitions, and specifications.
File extension source with an A-Z list of common file extensions and the programs with which they open.
Data format resource guide discussing HTML, PDF, WOL, SMIL, and VRML.
Offers detailed specifications of NTFS and FAT file systems and hard disk drive basics in addition to data recovery software.
- Open eBook
Initiative to establish a specification for eBook file and format structure based on HTML and XML.
- WhatIs.com: Every File Format in the World
A list of file name extension or suffixes that indicate the format or usage of a file and a brief description of that format.
- Wotsit's Format
Programmer's resource for detailed file format and data format information.