How CORS works

Cross-origin resource sharing (CORS) defines a way for client web applications that are loaded in one domain to interact with resources in a different domain.

Configure CORS

Configure your bucket to allow cross-origin requests.

Turn on CORS

Turn on CORS for your bucket using your preferred method.

Troubleshoot unexpected behavior

Use the following curated resources to troubleshoot unexpected behavior with CORS in Amazon S3.

Related questions

See the following questions and answers related to common CORS issues in Amazon S3.