CORS Policy Builder
Generate CORS headers for one allowed origin and selected request methods.
Processing stays in your browser. Apply these through your server's response handling. CORS is a browser policy, not authentication; wildcard origins cannot be combined with credentialed requests.
How to use the cors policy builder
Generate CORS headers for one allowed origin and selected request methods. Complete the allowed origin or *, allowed methods (comma-separated), allowed headers (comma-separated), allow credentials, preflight max age (seconds) fields above. Choose Run tool, review the output, then copy or download the result.
Example
Allow credentials Yes adds Access-Control-Allow-Credentials: true.
Good to know
Apply these through your server's response handling. CORS is a browser policy, not authentication; wildcard origins cannot be combined with credentialed requests.