CORS Tester

Use this little website to test if a URL is setup correctly to work with CORS.




If your CORS setup is not using a wildcard then this should be a domain that matches your AllowedOrigins


Shareable link:

Results

This URL will work correctly with CORS.

Headers

These are the response headers received when making the request.

accept-ranges: bytes
access-control-allow-methods: GET
access-control-allow-origin: *
access-control-max-age: 3600
cf-cache-status: DYNAMIC
cf-ray: 9aaf7dbd377a86d2-ORD
connection: keep-alive
content-length: 69
content-type: binary/octet-stream
date: Mon, 08 Dec 2025 21:52:41 GMT
etag: "8b7ba25d063db479bdc1be95fcbd935b"
last-modified: Mon, 08 Dec 2025 21:52:09 GMT
server: cloudflare
vary: Origin, Access-Control-Request-Headers, Access-Control-Request-Method
x-amz-id-2: wUqHrx2efJOrod4JsdHcUeGgtivEL12bnqX2qFO6d6aTHIFkkj6CZGeE8Sn+GkUQxxQxg6bcedE=
x-amz-replication-status: COMPLETED
x-amz-request-id: CQ1P6CSJKMX50XYT
x-amz-server-side-encryption: AES256
x-amz-storage-class: INTELLIGENT_TIERING
x-amz-version-id: va4f9_fpX366kQhj0fzOOlK15iLsmJWw

CORS tester was built by @mscccc. The code is available on GitHub. Sponsored by HTML/CSS to Image.