CORS Header Inspector
Inspect CORS response headers for wildcard origins, credentials and preflight readiness.
CORS Header Inspector
Inspect CORS response headers for wildcard origins, credentials and preflight readiness.
About CORS Header Inspector
CORS Header Inspector is a focused developer utility for cors inspector workflows. It is built as a serious first-pass local tool: paste real input, run the parser or standards-based checks, review clear findings, then copy or download the output.
Processing runs in the browser where possible. No account is required, and the page avoids fake server-side claims.
Use it for quick reviews, debugging notes, code review prep, QA handoff and documentation examples. For regulated production changes, verify final results with your project’s own compiler, CI checks or infrastructure scanner.
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Frequently Asked Questions
No. The normal workflow runs locally in your browser.