MIME Type Lookup
MIME Type Lookup maps file extensions to their MIME (content) types and back — useful for setting correct Content-Type headers.
Last updated: July 2026
Find the MIME type for any file extension, or the extensions for a MIME type. Free, instant, searchable reference.
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How to use MIME Type Lookup
- Search by extension (e.g. .pdf) or type.
- Read the matching MIME type.
- Copy it into your headers.
Frequently asked questions
What is a MIME type?
A label like application/pdf that tells browsers and servers what kind of file is being sent.
Can I search both ways?
Yes — search by extension or by MIME type.
Is it free?
Yes, free and instant.
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