HTTP & API Tools
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Headers Checker
Enter a URL to fetch response headers available to the browser and copy them for debugging.
Features
- Fetch headers
- Status line
- Copy header list
How to use Headers Checker
- 1Enter a URL.
- 2Click Check headers.
Examples
example.com
Inputhttps://example.comOutput
content-type: text/html..
About Headers Checker
HTTP Headers Checker reads response headers from CORS-enabled endpoints directly in your browser.
Frequently asked questions
Browsers only expose headers allowed by CORS.
No - your browser requests the URL.
Uses GET for broader compatibility.