Cisdem Duplicate File Finder allows users to find duplicate files that even hidden deeply, also quickly remove duplicates to free up mac or external/internal hard drive. Especially with its duplicate photo finder, both duplicate and similar images can be processed.

This duplicate file finder can find duplicate photos files, music, documents, videos or other format files that under different names, no matter they are in iTunes, Photos, or anywhere. With this tool, you will have full control of your files and get the duplicates out of your way.

Key Features of Cisdem Duplicate File Finder
Accurate Duplicates Detection Algorithms
• Find “real” duplicate files - Compare not only file names, but also contents to ensure no false search results.
• Find duplicate files in any types, such as photos, documents, spreadsheets, music, videos, and other personal files.
• Work as a powerful duplicate photo finder to detect and remove duplicate photos with ease.
• Find similar images in photo libraries, simply keep the best picture after continuous shooting.
• Find duplicates in iTunes, Photos, iPhotos and Aperture.
• Scan and detect duplicates inside your internal and external file storage, like cameras, flash drives, etc.

Fast Duplicates Scanning Speed
• Find duplicate files in individual or multiple folders by drag-n-drop in one go.
• Duplicate file scanning results are available in real time, no need to wait for a complete search.
• Exclude specific files and extensions for scanning.

Visual Duplicates Report
• Classify duplicate files and show duplicates in pie chart or tabs.
• Preview all duplicates in Quick View or open them in Finder
• Real-time Calculation: Display the quantity and size of selected duplicate files.

Check Duplicate and Similar Files Smartly
• Compare the duplicate files and similar images in list, thumbnail or info modes.
• Smartly select duplicate files, you can choose to select the newest or oldest, etc. to remove duplicates.
• File duplicates into different categories and sorts the duplicates by name, size, count, and type or search file by keywords.

Quickly and Safely Remove Duplicates
• Remove duplicates in one click via Auto option.
• Keep at least one of each duplicate.
• Ignore specified folders and files by adding them into ignoring list.
• Duplicate files can be moved to Recycle Bin, custom folder or deleted permanently.

“Providing smart scanning algorithms, the program has the ability to find true duplicates based on file content. The program is designed to help you delete duplicates in batches so that you can regain valuable free space. " - Ioana Dumitrescu@Mac.informer

“Duplicate Finder finds all your duplicate files fast. Really fast. The results are presented and sorted in the file type. So besides a nice interface, it is a great utility." -

If you have any questions about this duplicate file finder, contact us at
Feel free to contact us directly if you need any kind of support:

What’s New

Version 5.6.0

1. Fix the failure of stop scanning.
2. UI Optimization.
3. Fix the defaulted scanning status.
4. Support Apple Silicon.
5. Change to silent mode when moving to trash.
6. Fix some minor bugs.

App Privacy

The developer, Cisdem Inc., has indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary based on, for example, the features you use or your age. Learn More


2.5 MB

OS X 10.10 or later, 64-bit processor



Age Rating
In-App Purchases
  1. Annual Subscription NT$670.00
  2. Monthly Subscription NT$130.00
  3. Lifetime Subscription NT$990.00


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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