mime

MIME Type Lookup — Type a file extension (or filename) and get the proper <code>Content-Type</code> header value. Reverse lookup too — type a MIME type ...

MIME Type Checker — Enter a file extension or MIME type to look up the corresponding type. Supports 160+ common file formats including web, office, medi...

Free online file MIME type checker. Upload any file to detect its MIME type, file extension, description, and size.

Base64 Inspector — Analyze and validate Base64 content. Inspect MIME headers, calculate overhead size, preview file assets, and download decoded binary ...