🔍 HTTP Header Checker
Check HTTP response headers for any URL — status codes, security, cache, content
What Is the HTTP Header Checker?
Free tool that fetches and displays HTTP response headers for any URL.
Key Features
- Full Headers: Every response header from the target URL.
- Color-Coded Categories: Security, cache, content, server.
- Status Code: With color badges.
- One-Click Copy: Click any value or copy all.
When to Use
Debug redirects, audit security headers, check cache settings, verify content-type.
How It Works
Sends GET request via proxy, reads all response headers, displays categorized by type.
How to Use
- Enter a URL (include https://).
- Click Check Headers.
- Review headers organized by category.
- Click any value to copy it.
Frequently Asked Questions
What are HTTP response headers?
Metadata sent by servers with each response — content type, cache, security, etc.
How do I check HTTP headers?
Enter URL and click Check. All headers displayed by category.
What are security headers?
CSP, HSTS, X-Frame-Options — protect from XSS, clickjacking, and other attacks.
Is this tool free?
Yes, completely free. No signup, no limits.
Can I check any URL?
Yes, any publicly accessible HTTP/HTTPS URL.