Data Formats

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This category in other languages:

Czech (13) Dutch (12) Finnish (13)
French (136) German (244) Italian (135)
Japanese (18) Norwegian (2) Romanian (5)
Russian (55) Slovak (0)

Almost Every File Format in the World - Names many file formats and their extensions.
DaubNET File Format Collection - The full specifications of various file formats.
Dot What?! - Database of file extension information. Supports users comments and submissions. Includes discussion forum.
FileInfo.net - Database of file extensions with information about each file type.
FILExt - Searchable database of file extensions for data formats, with information and notes on each.
Macintosh Type/Creator Database - A database of windows file extension codes with correlating Macintosh Type/Creator code pairs.
Webopedia - Data Formats - Contains information about many data formats.
Wotsit's Format - Detailed file formats and data formats for programmers. A large collection of programming resources with detailed information.