Duplicate File Finder Pro
Duplicate File Finder Pro is a Nektony utility for macOS that scans storage for duplicate files, folders, and similar photos so you can review them.
What is Duplicate File Finder Pro?
Duplicate File Finder Pro is a macOS disk cleanup and organization utility published by Nektony. It is designed to scan folders, disks, photo libraries, and some connected cloud storage locations to identify duplicate files and related clutter that may waste space. Nektony presents it as part of its Duplicate File Finder product line, with free scanning and optional Pro features for more advanced review and cleanup tasks. Documented capabilities include finding duplicate and similar folders, merging folders, comparing files, and using automatic selection rules to mark copies for removal. Mac users may encounter it as a standalone download from Nektony or as a component referenced in the MacCleaner Pro suite. It is a legitimate consumer utility, but because it can select files for deletion, users should review results carefully before removing anything important.
Key features
- Scans folders, external disks, and selected library locations for duplicate files
- Finds duplicate folders and similar folders for deeper storage cleanup
- Can detect similar photos in addition to exact duplicate files
- Includes automatic selection rules to help mark duplicate copies for review
- Provides file and folder comparison tools during cleanup review
- Supports folder merge workflows to consolidate duplicate folder contents
Review app leftovers with diCleaner
Inspect caches, support files, containers, and login items before cleaning.
Safety overview
Status: Mostly safe
This is a legitimate Nektony utility and is not generally considered malicious. The main risk is accidental data loss if duplicate detection results are accepted without review, especially in photo libraries, synced folders, or external drives.
Recommendation: Keep it if you actively use it to find duplicates or manage storage. If you do not use duplicate-cleaning tools, it is usually optional and can be removed, but review any remaining support files only after uninstalling the app normally.
Common paths
/Applications/Duplicate File Finder.app
Cache paths
~/Library/Caches/com.nektony.Duplicates-Expert
Support paths
~/Library/Application Support/Duplicate File Finder
Preference paths
~/Library/Preferences/com.nektony.Duplicates-Expert.plist
Container paths
~/Library/Containers/com.nektony.Duplicates-Expert~/Library/Application Scripts/com.nektony.Duplicates-Expert
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