Generator

CORS Config Generator

Build Cross-Origin Resource Sharing config for nginx, Express, and Next.js route handlers.

Allowed origin

Allowed methods

Allowed headers

Allow credentials (cookies)

nginx

# nginx CORS
add_header Access-Control-Allow-Origin "https://app.example.com" always;
add_header Access-Control-Allow-Methods "GET, POST, PUT, DELETE, OPTIONS" always;
add_header Access-Control-Allow-Headers "Content-Type, Authorization" always;
add_header Access-Control-Allow-Credentials "true" always;