HTTP Headers Inspector

Instantly see every request and response header your connection sends. Perfect for debugging proxies, CDNs, and network configurations.

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🔍 Request Headers

See exactly what headers your browser or proxy is sending, including User-Agent, Accept, and forwarding headers.

📥 Response Headers

View server response headers like Cache-Control, Content-Type, and custom proxy headers.

🛡️ Proxy Debugging

Verify X-Forwarded-For, Via, and other proxy-injected headers to ensure your proxy chain is configured correctly.

Free HTTP Headers Inspector Debug Your Connection

See every HTTP request and response header your browser or proxy sends. Essential for debugging proxy configurations, verifying IP forwarding headers, checking CDN behavior, and troubleshooting API integrations.

Proxy Header Verification

Check that X-Forwarded-For, Via, X-Real-IP, and other proxy-injected headers are correctly set. Verify your proxy chain is working and no headers are leaking your origin IP to target servers.

CDN & Security Headers

Inspect Cache-Control, Content-Security-Policy, CORS headers, and other security-related response headers. Verify that your CDN is correctly caching content and your security policies are properly configured.

Debugging with Proxies

Part of ProxyBase's free network debugging suite. Need to test headers from different geographic locations? Use ProxyBase residential proxies to route traffic through IPs worldwide. See proxy pricing →