S3 Browser Portable is an easy to use client for Amazon S3 Service. S3 Browser will help you organize your Amazon S3 buckets and files. Create public URLs to share the files. Upload and download files to and from Amazon S3. Keep your files backed up on a multiple data centers.
What's new in this version:
Version 3.8.1 improved Versions Manager, support for large buckets and added overall progress for uploading/downloading tasks.