rclone can do this with rclone dedupe --by-hash /path/to/files It has various options on what to do with the duplicates, but the default is to ask the use

rclone can do this with rclone dedupe --by-hash /path/to/files It has various options on what to do with the duplicates, but the default is to ask the user. It works on various cloud storage too, not just the local disk.