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Developer Tools

Free MIME Type Checker and File Extension Lookup

Initializing tool...

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Ubify Intelligence Team

EDITORIAL TEAM

~1 min read
~154 words
VERIFIED MAY 2026

About This Tool

The MIME Type Checker lets you look up the correct Content-Type value for any file extension — useful for setting response headers in APIs, configuring web servers, and validating file uploads. It covers hundreds of file types including media, documents, archives, and code files. Free, no login, runs in your browser.

How to Use

  1. 1

    Type a file extension (like .mp4 or .json) in the search box.

  2. 2

    The correct MIME type string appears instantly.

  3. 3

    Copy the MIME type to use in your Content-Type header or server config.

Frequently Asked Questions