S3 CORS Explained | Enable Cross-Origin Access in Amazon S3

🌍 Ever wondered why your browser blocks S3 file access from another domain?
That’s where CORS (Cross-Origin Resource Sharing) comes in!

In this video, you’ll learn:

What CORS is and why it’s needed in S3

How to configure a CORS policy for your bucket

How to fix “Access-Control-Allow-Origin” errors

Real-world examples of web apps accessing S3

Perfect for developers, AWS beginners, and frontend engineers integrating S3 into their projects.