Free online HTTP header checker. Enter a URL to see complete HTTP response headers. Supports redirect tracking, status code analysis, and security header detection. Pure frontend, no registration.
Fetching HTTP headers...
1. Enter URL: Type the URL in the input field. HTTP and HTTPS both supported.
2. Click Check: Click 'Check Headers' to fetch response headers via proxy.
3. View Results: Review response headers, status code, redirect chain, and security score.
It shows complete HTTP response headers including Server, Content-Type, Cache-Control, security headers (CSP/HSTS/X-Frame-Options etc.), Cookie info, and redirect chains. Also provides a security configuration score.
Yes! The tool detects HTTP 301/302/307/308 redirects and shows the final destination URL.
Due to browser CORS restrictions, this tool uses public CORS proxies. Queries are anonymous and no data is stored. You can also configure your own proxy address.
No, browser security prevents access to localhost or intranet addresses. But you can check any publicly accessible URL via HTTP or HTTPS.