HTTP Headers Viewer
View all HTTP response headers for any URL instantly. Check status codes, content type, cache headers, security headers, and more.
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HTTP Headers Viewer fetches and displays every response header returned by a web server. Instantly see status codes, content type, caching directives, security headers, and server information. Perfect for debugging APIs, CDNs, and web server configurations.
How it works
- 1Enter the URL you want to inspect
- 2Click Fetch Headers
- 3Browse all response headers with descriptions
- 4Use the Raw view for copy-paste debugging
Who uses this tool
- ✓Developers debugging API responses and CORS issues
- ✓DevOps engineers verifying CDN and cache configurations
- ✓Security engineers auditing missing security headers
- ✓QA testers checking response consistency across environments
- ✓Students learning how HTTP works in practice
Frequently Asked Questions
What are HTTP response headers?
HTTP response headers are metadata sent by the server alongside the response body. They control caching, security, content type, and more.
Can I check headers for POST endpoints?
Currently the tool makes GET requests only. For POST debugging, use a tool like curl or Postman.
Is the tool free?
Yes, completely free with no signup required.
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