How to Upload Files to AWS S3 with Next.js


Uploading files to AWS S3 is a core feature for many modern web applications. In this article, we’ll explore how to set up a Next.js application (version 13+ with App Router) to allow users to upload files directly to an S3 bucket, using AWS SDK v3 for optimal performance and security. This guide includes best practices, robust validation, and an optional TypeScript version for developers seeking strong typing.