MIME Type Lookup
Look up MIME types, Content-Type values, and file extensions from a local browser reference.
MIME type workspace
Look up MIME types and file extensions locally.
.json
application/json
JSON data, common for APIs.
Output
Application.json
Common MIME types
Files are processed in your browser. No data is uploaded.
Questions
Can I paste a Content-Type header?
Yes. The lookup extracts values like text/html from pasted header text such as Content-Type: text/html; charset=utf-8.
Does this inspect live URLs?
No. This tool looks up common MIME values locally. Use HTTP Header Inspector when you need live response headers.
Does Utilumo upload my input?
No. Utilumo has no backend that could receive your input. Where a tool makes a request as part of its function, it goes directly from your browser to the destination you choose, never through Utilumo.
Do I need an account?
No. Utilumo tools are built to work without accounts or sign-in.