Duplicateviewer — 3.8

: Uses automated logic to mark duplicates for removal while keeping the original file safe.

: Allows users to inspect files (images, documents, videos) directly within the app before deletion to ensure no "originals" are lost. DuplicateViewer 3.8

: Offers the choice to move files to the Trash for safety or permanently delete them to free space immediately. : Uses automated logic to mark duplicates for

While is a strong choice for Mac users, other tools like dupeGuru are known for specialized safety engines, and Ashisoft is often cited for high accuracy on Windows. If you want to optimize your system further: helping you target the biggest space-wasters.

: Includes a dedicated module to list files by size, helping you target the biggest space-wasters.