MIME Type Search
Local ProcessingSearch file extensions and IANA media MIME types with built-in static registry mapping.
How It Works & Processing Standards
Search file extensions and IANA media MIME types with built-in static registry mapping.
Tool processing runs in your browser. If you create a calculator or conversion share link, its values are included in the URL. See the privacy policy for account, analytics and advertising data.
Current Limits
- Maximum input length: 100,000 characters
For checking the Content-Type to use in server config, upload validation or HTTP headers. Enter an extension like webp or a type like application/json to find its pair.
What You Can Do
- Extension → MIME
- .webp → image/webp.
- MIME → extension
- application/json → .json.
How to Use MIME Type Search
- 1Enter a queryAn extension (dot optional) or a MIME type.
- 2Read the resultSee the matching value.
Examples
By extension
Input: webp
Result: .webp → image/webp
By MIME
Input: application/json
Result: .json → application/json
Common Use Cases
- Setting a file’s Content-Type in nginx or S3
- Building a list of allowed upload types
Frequently Asked Questions (FAQ)
What about extensions not in the list?
You get a "not found" message rather than an empty result. Common extensions are covered.