Cisdem DuplicateFinder for Mac iconCisdem DuplicateFinder 3

Bring the duplicates out of depths and free up your Mac greatly.

With extremely-fast scanning speed and a bunch of new features, the smart Cisdem DuplicateFinder 3 provides the best solution on finding and removing duplicate files on one go. No more useless files or duplicate content in your external/internal hard drive and apps like iPhotos/iTunes.

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Watch the video to know how it works



Add individual or multiple folders in one go and scan them for duplicate content.



Classify duplicates into 7 categories and show details of scanned files, duplicate files and storage space.



Delete duplicate files in desired ways: hide, add to exclude lists, move to trash or delete completely.


Detect true duplicates from Mac, regardless of name

It digs all the true duplicate files - those with different filenames but totally same content! With enhanced scanning algorithms, it can scan individual or multiple folders in one go. No more duplicates on both internal hard drive and external devices storages like cameras, USB flash drives, memory cards, iPods, etc. DuplicateFinder 3 adds capability to scan the databases of popular Apple applications such as iPhoto, iTunes and Mail.

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Show duplicate files in both pie chart and tab view

Before deleting the duplicate files, you need know the details firstly. After the speedy scanning, Cisdem DuplicateFinder will intelligently classify all duplicate files into 7 categories (Documents, Images, Music, Videos, Archives, Packages and Others) and show them in both pie chart and tab view. You’ll see the number of files scanned, the duplicate count, and the amount of storage space the duplicate files have taken. You can click on any culprit to trace the location of it and its duplicate(s).

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Remove duplicates in your desired ways

DuplicateFinder 3 offers several safeguards for file deletion. Firstly, you can preview files with Quick Look and open them with Finder. And...made a mistake when deleting? No prob. It’ll keep at least one instance of each duplicated item for sake of safety. Also, in settings window, you can set to delete duplicates to trash, move to folder or delete them completely. With Cisdem DuplicateFinder 3, the final choice is always yours. No files will get lost without your approval. Tick the boxes in bulk of duplicates that you'd like to delete; You can also hide and add them to the exclude lists.

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A Whole Bunch of Useful Features

Powerful Scanning Engine
Precise detection of duplicates via MD5 value checksum algorithm.
Scan Multiple Locations
Scan individual or multiple folders in one go.
When scanning you can stop at any time and DuplicateFinder will show the instant result.
iTunes & iPhoto Support
Remove duplicates from your music and photo libraries too.
Select All
One-click auto selection/deselection of all duplicates at ease.
External Drives Support
Support external drives and network volumes scanning.
Full Screen
Support full screen so you can locate and preview duplicate files in ease.
Data Visualiser
Classify duplicates into documents, images, music, videos, etc.
Quick Look
Preview files with Quick Look. Show or open files with Finder.
Quick Search
Easy find duplciate files with the built-in search feature.
Set to sort duplicate files by size, file, name or file count.
Peace of Mind
At least one instance of every file will be kept safe.
Exclude Lists
Blacklist certain folders to ensure they are never scanned.
Size Setting
Specify the filter depending on the duplicate size.
Two-way Deletion
Move duplicates to Trash or erase them completely.
macOS Sierra Support
Compatible and optimized for macOS Sierra!

Always Keep Your Mac at Its Best with Cisdem DuplicateFinder

Make better use of your iPhotos or iTunes

Puzzled with thousands of duplicate items in your iPhotos libraries? Start your playlist in iPod only to find the same song playing over and over? Get rid of these duplicates with Cisdem DuplicateFinder 3. Enjoy the improved speed and more available space to use.

Free up space of your hard drives

Have no space to update system or even can't install more applications? This smart Mac duplicate finder helps greatly free up space of your hard drive, Mac supported apps and other devices.

Extremely-fast Mac running experience

Duplicate files serve no purpose but make your Mac run slower and slower. Get them cleaned with Cisdem DuplicateFinder and you’ll enjoy fast running experience and improved productivity, especially for file backup.

All your data get well-organized

Duplicates make managing your data a nightmare! Use Cisdem DuplicateFinder to remove hundreds of unnecessary duplicate files and bring order to file chaos. No more confusion to sort through various versions to pick the right one.


Cisdem DuplicateFinder for Mac Review - 1 Cisdem DuplicateFinder for Mac Review - 1

"Providing smart scanning algorithms, the program has the ability to find true duplicates based on file content...The utility has a simple, clear-cut, and intuitive interface..."

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"The Cisdem DuplicateFinder is a lightweight program and its operation is basic but efficient. The app provides detailed information about the free hard disk space..."

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"Cisdem DuplicateFinder does what it claims. It finds all your duplicate files fast. Really fast. The results are presented and sorted in file type..."

Best Data Recovery Software for Mac Cisdem DuplicateFinder 3

It's amazingly fast, accurate and a breeze to use. Let the best duplicate finder free up your Mac that cluttered with duplicate files NOW!

Version 3.6.0 (Nov.8th, 2016) | Support macOS 10.8 + | 100% safe & clean | 30 days moneyback guarantee