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HTTP Headers Checker

Check HTTP response headers for any URL online for free.

About This Tool

Inspect the HTTP response headers returned by any URL. Analyze security headers, caching policies, content types, redirects, and server information instantly.

How to Use

  1. Enter URL

    Paste the URL you want to inspect.

  2. Check Headers

    Click Check to fetch and display all response headers.

  3. Analyze

    Review security headers, caching, and content negotiation settings.

Use Cases

Security Auditing

Verify that security headers like HSTS, CSP, and X-Frame-Options are correctly set.

Frequently Asked Questions

Are there CORS restrictions?

Headers are fetched server-side so CORS is not an issue.

Sawbank

Free Tools for Tech Professionals — Part of Sawbank

Security

  • Client-side processingFiles never leave your device
  • No file uploads100% private & secure

Compliance

GDPR Compliant
100% Private - Files never leave your device
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