MIME Type Checker
Look up common file extensions, MIME types, and content categories. Free, private, and local-first.
Use MIME Type Checker
Look up common file extensions, MIME types, and content categories.
| Extension | MIME type | Category |
|---|---|---|
| .webp | image/webp | Image |
Quick answer
MIME Type Checker is a free online tool that helps you look up common file extensions, MIME types, and content categories. It runs in your browser, so you can work with development data, text, files, or generated output without creating an account.
About MIME Type Checker
MIME Type Checker helps you look up common file extensions, MIME types, and content categories. It is designed for focused local-first workflows where you need a quick result without creating an account or sending your input to a server.
Common uses include fixing incorrect content-type headers, configuring static file hosting, checking upload allowlists.
Use the examples, usage notes, FAQ, and related tools below when you need to compare formats, build sample data, validate inputs, or move into the next step of the same workflow.
What this tool does
How to use MIME Type Checker
- 1
Enter a file extension or MIME type.
- 2
Review matching rows in the table.
- 3
Use the MIME value in server or upload configuration.
- 4
Check real response headers separately when debugging production.
Examples
WebP
.webp -> image/webp
JSON
.json -> application/json
Font
.woff2 -> font/woff2
Use cases
- Fixing incorrect content-type headers
- Configuring static file hosting
- Checking upload allowlists
- Debugging image or font loading issues
- Preparing API documentation
Related workflow
After using MIME Type Checker, many workflows continue with related tools for validation, conversion, cleanup, mock data, or final export.
Privacy and usage notes
CodeVella tools are designed to run locally in your browser. Your input is not uploaded to a server, and no account is required.
Generated test data is intended for development, QA, demos, and safe internal workflows.
Frequently asked questions
Is my data uploaded?+
No. This tool is designed to run locally in your browser.
Do I need an account?+
No signup is required for CodeVella tools.
What does this MIME type checker do?+
MIME Type Checker helps you look up common file extensions, mime types, and content categories without sending the pasted data to a server.
What should I double-check before using the output?+
This is a common MIME lookup table. Your server configuration determines the actual Content-Type header sent to browsers.
Can I copy the generated output?+
Yes. Tools with generated code, URLs, XML, or structured output include a copyable output area.