Web utility
MIME Type Lookup
Find common MIME types by file extension or MIME type.
● This tool runs entirely in your browser. Your input is never uploaded to our servers.
Output
Your result will appear here…
How to use MIME Type Lookup
- Enter a filename extension or MIME type.
- Select Look Up to find matching entries.
- Review the media type and common file extension.
Example
Input:
.json
Output:
.json application/json
Use cases
- Set a Content-Type header.
- Inspect a file upload configuration.
- Check a web server static file mapping.
About this tool
Find common MIME types by file extension or MIME type. Processing happens locally in your browser, so your input is not sent to a server or included in analytics.
Frequently asked questions
Can I search by extension or MIME type?
Yes. Enter either form, such as .json or application/json.
Does the lookup include every registered type?
No. It is a concise local list of common web and developer file types.
Is the lookup sent online?
No. The reference table is bundled with the page.