CORS Header Generator
Build the Access-Control-Allow-Origin, -Methods, -Headers and related CORS response headers for an API.
Your file is processed locally in your browser and is not uploaded to our server.
CORS headers
Access-Control-Allow-Origin: https://example.com Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS Access-Control-Allow-Headers: Content-Type, Authorization Access-Control-Allow-Credentials: true Access-Control-Max-Age: 86400
How to use CORS Header Generator
- 1Fill in the allowed origin, methods and headers for your API.
- 2The full set of CORS response headers is generated automatically.
Frequently asked questions
No — browsers reject Access-Control-Allow-Origin: * when Access-Control-Allow-Credentials is true. Use a specific origin instead.
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