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CORS Checker
Check CORS headers
Note: This tool makes actual HTTP requests. CORS checks may be blocked by browser security policies.
What is CORS Checker?
Check if a URL has CORS enabled and view CORS headers. Useful for debugging cross-origin requests.
Frequently Asked Questions
Is this tool free to use?
Yes, CORS Checker is completely free. No registration required.
Is my data secure?
All processing happens in your browser. Your data never leaves your device.