Uploading large files to Amazon S3 can be a real headache for many people. If you are new, it may take some time to get familiar. Fortunately, there is a simpler solution that makes things easy. Let's take a look at this tool.
Commander One is a file manager that makes working with cloud services accessible to everyone. For example, copying, editing, and transferring large files and folders is a breeze with just a few clicks. It's extremely user-friendly, so you don't have to worry about complex commands or Amazon S3 intricacies. You don't even need to open a browser when downloading files.

https://ftp-mac.com/uploading-large-files-to-aws-s3/