OomTools

MIME Type Lookup Tool

Find the right MIME (content) type for a file extension, or search the other way from a type, across common web, image, document, audio, video, font and archive formats. It's a quick offline reference that runs in your browser.

  • 100% free
  • Private & safe
  • Runs in your browser

Why use MIME Type Lookup?

MIME Type Lookup is a quick, no-nonsense developer utility that runs entirely client-side, so your code and data never leave your machine.

  • Runs instantly in your browser — nothing to install, nothing uploaded.
  • Completely free, with no account, no watermarks and no usage limits.
  • Covers common web, image, document, audio, video, font and archive types
  • Type an extension (like png or pdf) or part of a MIME type.
  • Works on any device — desktop, tablet and phone — and is fully keyboard accessible.

How to use MIME Type Lookup

  1. Type an extension (like png or pdf) or part of a MIME type.
  2. Matching extensions and MIME types are listed instantly.
  3. Copy the MIME type you need.
  4. Use it for HTTP headers, uploads or config.

Examples

  • Finding that .webp maps to image/webp.
  • Listing all application/* types.

Supported formats & limits

  • Covers common web, image, document, audio, video, font and archive types

Limitations

  • A curated common list, not the full IANA registry.
  • Some files can have multiple valid MIME types.

Frequently asked questions

Where do these come from?

A curated list of common, widely-used MIME types for everyday development.

Is it the complete IANA list?

No — it covers the most common types; obscure ones may not appear.

Is anything uploaded?

No — it is an offline lookup in your browser.

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