Cisdem DuplicateFinder for Mac iconCisdem DuplicateFinder 3 for Mac

The Best Duplicate File Finder Mac to Bring All Duplicates Out of Depths.

With extremely-fast scanning speed and a bunch of new features, this smart duplicate file finder Mac provide you the easiest 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.


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Before deleting the duplicates with Cisdem Mac duplicate file finder Mac, you need know the details firstly.

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Made a mistake when deleting? No prob. The best duplicate file finder will keep at least one instance of each duplicated item for sake of safety. No files loss without your approval.

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A Whole Bunch of Other Features

Powerful Scanning Engine
Precise detection of duplicates via MD5 value checksum algorithm.
When scanning you can stop at any time, it'll show the instant result.
one click
Select All
One-click auto selection/deselection of all duplicates at ease.
full screen
Full Screen
Support full screen so you can locate and preview duplicate files in ease.
quick search
Quick Search
Easily find duplciate files with the built-in search feature.
exclude setting
Exclude Lists
Blacklist certain folders to ensure they are never scanned.
size filtering
Size Setting
Specify the filter depending on the duplicate size.
supported os
macOS Sierra Support
Compatible and optimized for macOS Sierra!

Always Keep Your Mac at Its Best with the Duplicate File Finder Mac

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.

iPhotos and iTunes

Free up space of your hard drives

Have no space to update system or even can't install more applications? This smart Mac duplicate file 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 this mac duplicate finder 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.



Macdownload Review - 1 Macdownload Review - 2

"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..."

Techtudo Review - 1. Techtudo Review - 2.

"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..."

Macsoftreview Review - 1. Macsoftreview Review - 2.

"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 duplicate file finder Mac Cisdem DuplicateFinder 3 for Mac

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

Version 3.6.0 (Nov.8th, 2016) | Supported OS: Mac OS X 10.8, 10.9, 10.10, 10.11 and 10.12(macOS Sierra)

100% Safe

As we always put your privacy at the first place, all data exchanged during the payment process is SSL-secured.

Expert Support

We provide you the 24/7/365 email support to ensure the shopping and using of our product with smoothness.

Money Back Guarantee

Try with a free trial before your purchase. Even after placing an order, you still hold our 30-Day Money Back Guarantee.

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