About This Tool
Configure Cross-Origin Resource Sharing (CORS) headers for your API or web server. Generate configuration snippets for Apache, Nginx, and Express.js.
How to Use
- Add allowed origins (or use wildcard *)
- Select allowed HTTP methods
- Configure headers and credentials settings
- Choose your server type for the output format
- Copy the generated configuration
FAQ
Should I use wildcard (*) for Access-Control-Allow-Origin?
Only for public APIs. For authenticated requests, you must specify exact origins.
