The free version of MCSTools-s3 allows you to view all AWS S3 data.

“Show in Finder” links to files that have been download or uploaded from OSX to AWS.

Supports multiple AWS accounts in as single interface.

Modify or add AWS Object Properties including Reduced Storage, Server Side Encryption, Permissions and Metadata (Tags).

Modify or add AWS bucket Properties including Permissions, Website, Lifecycle (Expiration or Glacier), and Tags.

Search objects by name across the entire bucket.

View files as Tree, Columns or flat list formats.Streams upload / downloads to minimize memory impact.Bulk deletion of objects for entire bucket.MD5 Checksums for large files > 5G (v1.3.3).MD5 Checksums confirm upload and downloads.Currently does NOT support China or AWS GovCloud regions.Supports multiple Regions including dragging files between region.Streams multiple files to and from Amazon S3.Drag-n-drop from AWS Bucket to AWS Bucket (in same AWS Account).Drag-n-drop within MCTools-s3 – moves or copies files in AWS S3.Drag-n-drop from MCSTools-s3 to OSX Finder.MCStools-s3 is a rich full feature client for the Amazon Web Services (AWS) S3 Platform fully integrated with the OSX environment allowing drag-n-drop of files to and from AWS S3.

MCStools-s3 is the best Amazon Web Services (AWS) S3 Client Application for OSX.

Mac s3 client