Is this MIME type lookup tool free?

Yes, completely free with no signup and no usage limits.

Does my data leave my device?

No. All lookups run entirely in your browser using a local database. Nothing is sent to any server.

Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.

Look up the MIME type for any file extension, or reverse-lookup extensions for a given MIME type.

100% client-side · no upload

Extension or MIME type

Type a file extension (without the dot, e.g. mp4) or a full MIME type (e.g. video/mp4).
Click Look Up or press Enter.
See the matching MIME type or all extensions that match that MIME type.

Is this MIME type lookup tool free?: Yes, completely free with no signup and no usage limits.
Does my data leave my device?: No. All lookups run entirely in your browser using a local database. Nothing is sent to any server.
Does it work on mobile?: Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.

Last updated: 2026-05-20 By jarvisbox