All registries
Meta-index
Wikipedia List of File Formats
Wikipedia
Meta-indexesData & file formats
WHY YOU NEED THIS
Not normative, but the fastest way to discover what a format is called and find the real spec link — referenced throughout Rundown file format entries.
What It Is
Community-maintained alphabetical and categorical lists of file formats with links to format articles — the best single-page orientation map.
Taxonomy
Alphabetical · By category (audio, video, archive, document…) · Cross-linked articles
Top-Level Categories
Alphabetical listCategory: file formatsComparison tablesSee-also chains
Master Catalog
Sub-Indexes & Guides
Related Registry Sources
wikipediafile-formatsreferenceorientation