Traditional system cleaners focus on temporary files, browser caches, and system junk. These typically add up to 100 MB to 2 GB on most computers -- real space, but not life-changing.
Duplicate files are a completely different category. They accumulate over years of normal computer use:
- Photos imported from a phone and also synced via cloud backup
- Files downloaded more than once from email or the web
- Documents saved to multiple folders for "safekeeping"
- Music and video files copied across drives or folders
- Project files backed up by copying entire folder trees
- Installer files downloaded with each software update
A single duplicated 4K video can waste 5 GB. A duplicated photo library can waste 20-50 GB. This is why the duplicate finder routinely discovers 10x to 100x more reclaimable space than all other junk file categories combined.
The free version shows you the full picture. Registration lets you clean it with one click.
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