MIME Types Lookup

What is a MIME Types Lookup?

Look up MIME media types (e.g. application/<a href="https://www.json.org/json-en.html" target="_blank" rel="noopener noreferrer" class="text-indigo-600 dark:text-indigo-400 font-semibold hover:underline" title="Learn more about JSON on official docs">json</a>, `image/png`, text/<a href="https://developer.mozilla.org/en-US/docs/Web/HTML" target="_blank" rel="noopener noreferrer" class="text-indigo-600 dark:text-indigo-400 font-semibold hover:underline" title="Learn more about HTML on official docs">html</a>) by file extension, or search file extensions by MIME type string.

Why Use This Tool?

HTTP Response Headers: Set correct `Content-Type` headers for web server responses and API endpoints.
File Upload Validation: Check MIME type strings for frontend file upload input filters.
Web Development: Look up uncommon file extensions (e.g. `.webp`, `.wasm`, `.webmanifest`).

How to Use

Search by file extension (e.g., `png`, `json`, <a href="https://en.wikipedia.org/wiki/PDF" target="_blank" rel="noopener noreferrer" class="text-indigo-600 dark:text-indigo-400 font-semibold hover:underline" title="Learn more about PDF on official docs">pdf</a>) or MIME type (e.g., application/<a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript" target="_blank" rel="noopener noreferrer" class="text-indigo-600 dark:text-indigo-400 font-semibold hover:underline" title="Learn more about JavaScript on official docs">javascript</a>).
View official MIME media type definition and category.
Copy the MIME type string.

Real Working Example

Input:

Search: "json"

Output Result:

File Extension: .json | MIME Type: application/json | Category: application

Important Technical Details & Features

IANA Official MIME Registry: Comprehensive database of official IANA media types.
Instant Client-Side Search: Search through hundreds of MIME types as you type.
Zero Server Latency: Embedded database executes locally.

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Frequently Asked Questions

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard label indicating the format of a file (e.g. text/html).

What is the MIME type for JSON files?

The official MIME type for JSON is application/json.

Is it free?

Yes, 100% free.

Does it work offline?

Yes, the MIME database is stored locally in browser memory.

What is the main function of MIME Types Lookup?

Search MIME media types by file extension or find file extensions by MIME type with headers reference. This tool processes mime types lookup data 100% locally inside your web browser.