🌐 CORS Header Builder
Build and export CORS headers for your API server
Configuration
Access-Control-Allow-Origin
Comma-separated origins or * for all
Access-Control-Allow-Methods
GET
POST
PUT
PATCH
DELETE
OPTIONS
HEAD
Access-Control-Allow-Headers
Access-Control-Max-Age (seconds)
Access-Control-Allow-Credentials
Access-Control-Expose-Headers
Output
Nginx
Apache
Express.js
Raw Headers
📋 Copy
Copied!