Undouble: Duplicate Finder

Undouble is a fast and easy to use tool that lets you clean your Mac and free up space by finding and removing duplicate files. Undouble finds duplicate files based on file content. - Search your location by choice. Both local disk and network storage supported. - Filter your search by file size or file extension. - The backup tool lets you save your files before removal. By default, Undouble will suggest files to delete by modification date. No files will be removed automatically.