Duplicate Zapper finds and removes duplicates based on file content, not just the name or timestamp. With auto-select, you get more search control and faster results: sort by name, extension, size, type and more. Take a quick look or reveal in Finder -- Duplicate Zapper makes finding duplicates easy. Plus, Duplicate Zapper will never scan important system or application files, ensuring your Mac stays safe. Find and delete duplicates from your Mac: *Safeguards critical system and application files.