Code-point registry

FileFormat.info

Data & file formatsWeb platformSecurity & crypto

WHY YOU NEED THIS

Upload validation and forensic identification start with magic bytes. This is the best practical lookup when you don't have the full spec.

What It Is

Community-maintained magic-byte and file signature database — not normative, but the most practical index for identifying binary file types by header bytes.

Taxonomy

By file extension · By magic bytes · By MIME type

Top-Level Categories

Magic byte searchExtension lookupMIME correlation

Master Catalog

Magic bytes database

Sub-Indexes & Guides

Format list

Related Registry Sources

magic-bytesfile-signaturepracticalsniffing