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MIME Type Lookup
Extension to MIME type.
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About MIME Type Lookup
Look up MIME types for 60+ common file extensions.
📐 Methodology & Reference Accuracy:
Calculations, formulas, and conversions execute locally in your web browser. Output models are benchmarked against official reference standards and updated for 2026.
🔒 This tool runs entirely in your browser. Nothing is uploaded or stored.
Background reading: Mime Lookup on Wikipedia. More: all developer tools.
Frequently Asked Questions about MIME Type Lookup
How do I use the MIME Type Lookup?
Open the MIME Type Lookup and use the controls in the workspace below: extension to mime type. Results appear instantly in your browser, with nothing to install, sign up for, or pay for.
Is the MIME Type Lookup free?
Yes. The MIME Type Lookup is completely free, like every tool in the PrimeFreeTools library. There are no accounts, subscriptions, or usage limits.
Does the MIME Type Lookup store or share my data?
No. The MIME Type Lookup runs with JavaScript in your browser, so what you enter never leaves your device and nothing is stored on a server.
What can I use the MIME Type Lookup for?
Look up MIME types for 60+ common file extensions. You will find it grouped under Developer Tools together with 78 other free tools on the PrimeFreeTools homepage.
Related Articles & Guides
Sep 12, 2026
MIME Lookup: The Content-Type You Always Second-Guess
Extension to MIME type.
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