MIME Type Lookup
Developer ToolsToolio MIME Type Lookup maps common extensions to MIME types in the browser. Use it when setting Content-Type headers, validating uploads, or writing accept attributes. No file is uploaded—only the extension or type you type.
54k uses · Runs locally
How to use
- 1Type a file extension or MIME type.
- 2Look up the matching media type locally.
- 3Copy the value into headers or input accepts.
- 4Repeat for other extensions you need.
Benefits
- Avoid guessing Content-Type strings.
- No file upload required.
- Fast reference beside image converters.
Frequently asked questions
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