5 Best Duplicate File Finder Apps for Mac Users to Remove Duplicates

February 10, 2022Ashley Mae

It is well-known that Apple introduced a lot of utilities into macOS so that users can perform a variety of tasks conveniently. However, the limited internal storage is a big pain. Therefore, Mac users have to clean up their disk regularly including removing large files, old files, and duplicates. A powerful duplicate file finder for Mac is a necessary utility to get rid of unwanted copies of your photos, documents, and more.

Duplicate File Finder Mac

Part 1: Top 5 Duplicate File Finders on Mac

Top 1: Aiseesoft Mac Cleaner

Aiseesoft Mac Cleaner appears on the top of our best list partly because it includes everything you need to find and delete duplicate files. Moreover, this duplicate file finder for Mac is pretty easy to use and does not require technical skills.

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  • Find duplicate files and photos easily.
  • Use advanced technology to duplicate.
  • Delete unwanted files with a single click.
  • Accelerate the process.
  • Include a variety of bonus tools.


  • It may take a while to scan duplicates if you have a lot of files.

Top 2: Disk Drill

Disk Drill Duplicate Finder

Disk Drill is a free duplicate finder for Mac. It analyzes your internal and external drives to find duplicate files on Mac including songs, videos, images, documents, etc. Moreover, it is free to download from the official website.


  • Find duplicate files quickly.
  • Recover deleted files on Mac.
  • Compatible with macOS 10.11 or later


  • It is not a standalone app.
  • The free version has the limitation of disk space.

Top 3: MacKeeper

MacKeeper Screenshot

As a straightforward duplicate file finder on Mac, MacKeeper is popular among beginners. It just takes one click to initiate a duplicate finding. Then you can view the files and remove them from your hard disk.


  • Available to Mac OS X Mavericks 10.9 or later.
  • Offer extra tools.
  • Equip an intuitive GUI.
  • Update frequently.


  • It is pricy and costs $5.15 per month for one machine.
  • The duplicate finding feature is basic.

Top 4: dupeGuru

DuperGuru Mac

dupeGuru is an open-source duplicate file finder for Mac OS X 10.6 or later. Besides, it runs on Windows and Linux too, so you can use it cross-platform. Although it is free of charge, the app can find exact and partial duplicates quickly.


  • Completely free to use.
  • Include a duplicate photo mode.
  • Highly customizable and flexible.
  • Integrate fuzzy algorithm.


  • It has not been updated since 2016.
  • The interface looks outdated.

Top 5: Gemini 2

Gemini Duplicate Finder App

Gemini 2 is one of the best duplicate file finders for Mac OS X 10.10 and higher. There is a free trial that allows you to find and view duplicate files. You can only manage and remove copies with the full version, which costs $19.95 at least.


  • Support a lot of languages.
  • Extract duplicate files.
  • Find similar photos.


  • It consumes large memory.
  • The subscription price is high.

Part 2: How to Find Duplicate Files on Mac

To help you understand how to find duplicate files on Mac, we use Aiseesoft Mac Cleaner as an example. You can download this app from the official website for free and follow the steps below.

Step 1:
Install duplicate file finder

Launch the best duplicate file finder on Mac when you need to free up space. Click the Cleaner button in the home interface and choose the Duplicate Finder. The app will begin scanning duplicates once you click the Scan button.

Scan Duplicate
Step 2:
Find duplicate files

After scanning, click the View button to move on. Then you can view duplicates by categories, like File, Folder, Picture, etc. Select one type, and you will see the exact files on the right side. Here you can select unwanted copies and click the Clean button to remove them.

Check Duplicate

Part 3: FAQs on How to Find Duplicate Files on Mac

Does Mac have a duplicate file finder?

There is no feature related to duplicate finding on Mac but you can use Terminal and commands to find copies on your hard disk.

Is dupeGuru safe?

dupeGuru is an open-source duplicate file finder. If you download it from the official website or trustable source, it is pretty safe.

Why is my Mac saving everything multiple times?

There are a lot of duplicate files on Mac, also in the System software. Moreover, Mac creates duplicates when backup or downloading files in order to prevent data loss.


Now, you should learn the top 5 best duplicate file finders for Mac. Some of them are free to use, such as dupeGuru. Others require some kind of payment. You can pick an appropriate tool according to your situation. Aiseesoft Mac Cleaner is a flexible choice for both beginners and advanced users. If you have better suggestions, please let us know by leaving a message below.

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