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Duplicate Detective 2 Duplicate Detective 2

Find duplicates,
reclaim space.

Quickly find and remove duplicate files cluttering your Mac. Photos, documents, videos, folders — Duplicate Detective 2 finds them all with advanced hash matching you can trust.

Requires macOS 11.5 or later

Performance

150% faster
scanning

Duplicate Detective 2 includes a completely optimized scanning algorithm that finds duplicates significantly faster than the previous version. Scan your entire drive in minutes, not hours.

Smart Selection

Auto-select
magic

Automatically select duplicates based on date. Choose to keep the newest or oldest file in each group — then remove the rest with one click. No manual checking required.

Organization

Filter, sort,
take control

Search through results by name, filter by file type, and sort by size, name, or type. The sidebar categories let you focus on specific file types so you always know exactly what you are removing.

Photos

Clean your
Photo Library

Duplicate Detective 2 can scan your Apple Photo Library directly. A step-by-step guided process walks you through finding and safely removing duplicate photos without damaging your library.

Everything you need to eliminate duplicates.

🔎
Hash Matching
Advanced hash-based comparison ensures only truly identical files are flagged. No false positives — just exact duplicates.
Auto-Select
Automatically select duplicates based on date. Keep the newest or oldest in each group — one click to clean up.
150% Faster
Completely rewritten scanning engine that finds duplicates across your entire drive in a fraction of the time.
📷
Photo Libraries
Scan your Apple Photo Library directly with a guided step-by-step process for safe duplicate removal.
🎨
Dark & Light Mode
Looks right at home on any Mac with full support for both dark and light mode appearances.
🖥
External Drives
Scan internal storage, USB drives, and network volumes. Find duplicates anywhere your files live.
🔗
Alias Creation
Automatically create an alias shortcut when removing a duplicate. The link points to the kept file so nothing breaks.
📁
Folders & Apps
Go beyond files — detect duplicate folders and applications too. Reclaim even more space across your entire system.
📏
Minimum Size Filter
Set a minimum file size threshold to skip tiny files and focus your scan on the duplicates that matter most.
Duplicate Detective 2

Find and remove duplicates

The smartest way to reclaim disk space on your Mac.

Requires macOS 11.5 or later