Dedicated duplicate file finder tools (like dupeGuru, AllDup, or Auslogics Duplicate File Finder) offer more advanced features for managing duplicates: selecting which copy to keep based on folder priority, regex-based filtering, image similarity detection, and more.
RJL System Cleaner takes a simpler, safer approach: it finds exact byte-for-byte duplicates in your user folders, keeps the oldest copy, and removes the rest. It is designed for the 90% use case -- the photos, downloads, and documents that were accidentally copied and are wasting space.
The advantage of having the duplicate scanner built into your system cleaner is convenience: you run one scan and see both your junk files and your duplicate files in a single results screen. No need to install and run a separate tool.
If you have very specific needs for duplicate management (like finding visually similar but not identical photos), a dedicated tool may serve you better. For straightforward duplicate detection and removal alongside your regular system cleaning, RJL System Cleaner handles it cleanly.
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