HTTP Headers & Redirect Chain

This tool helps you troubleshoot web requests by showing the full redirect chain and response headers for each hop. It’s useful when a URL unexpectedly redirects, a CDN caches the wrong response, or you need to verify security headers like HSTS, CSP, and frame protections.

Paste a URL and the tool follows redirects and displays status codes, locations, and key headers per hop. This makes it easy to spot mixed HTTP/HTTPS issues, missing canonical redirects, wrong hostnames, or unexpected middleware behavior.

For reliable debugging, compare the final destination with what your browser shows and check whether intermediate hops return cache headers or set cookies. If you’re deploying SEO changes, this view also helps verify 301/302 behavior and canonical paths.

Common use cases include: validating canonical 301s after a migration, checking whether non-www → www rules are in place, and ensuring HTTPS is enforced without looped redirects. It also surfaces cache headers (Cache-Control, ETag, Age), so you can see if a CDN or reverse proxy is serving stale content.

Security teams can quickly confirm HSTS, CSP, frame-ancestors, X-Content-Type-Options, and referrer policies on the final response. DevOps can copy a ready-to-run curl command for each hop to reproduce issues locally. Product owners can verify that marketing redirects (UTM → landing) hit the right target without extra hops.

Long-tail checks you can solve here: “check http header online”, “follow redirect chain”, “301 302 tester”, “cache-control header checker”, “HSTS CSP verifier”, “canonical redirect checker”, “security header scan”, “copy curl with redirects”. Use the copy buttons to lift the exact URL, Location, headers or curl so you can paste them into tickets, monitoring, or CI tests.

HTTP Headers & Redirect Chain is designed to be straightforward: pick your input, choose the output settings, and generate a result you can copy or download. We focus on predictable defaults so you can get a usable output quickly, then fine-tune only when you need to.

If you’re using this tool for work, treat the result like any other export: verify a small sample first, then run the full job. Small checks (file size, encoding, preview, or a spot-check of values) prevent surprises later when you publish, upload, or share the output.

Quality and compatibility often pull in different directions. When you want maximum compatibility, choose widely supported options. When you want smaller size or faster delivery, pick modern formats and compression settings—but keep an original copy so you can re-export without compounding losses.

Privacy matters. Some tools run fully in your browser, while others may need server-side processing (for heavy conversions or specialized libraries). Where uploads are required, keep files non-sensitive and avoid including secrets in inputs. Always review the final output before sharing publicly.

Troubleshooting tips: if the output looks wrong, try changing one setting at a time, and confirm your input is what you think it is (color profile, transparency, encoding, delimiters, or line endings). Many issues come from an unexpected input variant rather than a broken converter.