Mac users interested in Search duplicate files by dirk einecke generally download:
This app helps you to find duplicates of an given file. It compares the file size and the file content. It compares NOT the file names.
The App is very fast and doesn’t index the scanned volumes or folders. Because of this you don’t wast extra disk space. It is possible to scan files on internal, external or network disk drives. The interface is very clean and easy to use.
