Free, runs entirely in your browser — no sign-up, no file upload to a server.
What does MIME Type Lookup do?
It looks up the MIME type for a given file extension, or the typical extension for a given MIME type.
How do I use it?
Type a file extension (like ".png") or a MIME type, and the matching value is shown.
Is my input sent anywhere?
Everything runs in your browser — nothing you type or paste is sent to a server.
How do I report a problem or request a feature for this tool?
Use the Contact / Feedback page — select "MIME Type Lookup" as the related tool so we know exactly which tool you mean, then describe the bug or the feature you'd like to see.