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Duplicate Files Finder on Mac

By Emily Watson, Thursday, Mar 16, 2017

This post has been updated in March 29, 2018

Summary: Mac is running slow down? Hard drive is almost full on your Mac? It's time to speed up space on your Mac by trying to find and remove the duplicate files. You're able to find duplicate files on Mac manually or use a helpful duplicate file finder app for Mac. But believe me, the latter is always a better choice. Want to know why? This post will tell you the reason.

Mac is a well-designed machine able to help you deal with things at work or in daily life. Though its system enables to keep a fast and smooth performance, it would go slow someday. Therefore, it's essential to manage files, especially duplicate files and useless iTunes files on Mac as to keep your Mac "young and fresh".

However, due to its system design, it's actually hard to find and access duplicate files on Mac. Most duplicate contents are media files like photos, videos, songs, recordings and so on. They take up much more space than other types of files, so your Mac will embrace a great weigh loss if able to clear and remove duplicate files. Do you have an idea? No hassle. There is the best bet for your consideration.

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Method: Use FonePaw MacMaster to Scan and Remove Duplicate Files

If you want to find duplicate files on Mac manually, you can refer to this: Find Duplicate Files on Mac with Terminal Command in our other post. But you should always notice that using the termianl fails to help you discover all of the duplicate files and what's more, you need to delete them one-by-one, which can be time-consuming. So in this guide, I would like to introduce you the best duplicate file finder for Mac, which will help you locate and remove duplicate photos, songs, documents and other files from your Mac in one simple click.

MacMaster, a desirable Mac cleaner and the must-know free duplicate file finder app for Mac, is safe, well-designed and user-friendly, which can be told from the thoughful details in the whole process. It supports to scan the whole Mac and display all duplicate files before you. It's easy to use and just as simple as the following steps show.

It's now available to free download and you will get 500 GB free storage for the files to delete. Of course, this duplicate file finder also offers a full version which contains added features without any limitation. Anyway, you can download the app now as it costs nothing (unless you purchase the full version).


Step 1. Install and Open MacMaster

Users can directly download MacMaster from product page or via a click of the button above. After finishing its installment, please launch the app on "Launchpad".

Then, you can System Status of your Mac, such as the usage of "CPU", "Memory" on the Mac.  On the left column, you can choose the data types to clean, such as System Junk, Mail Trash. Slect Duplicate Finder to find and clean duplicate items on Mac.

 Install and Open Dr. Cleaner

Step 2. Start Scanning Folders on Mac

After selecting "Duplicate Finder" from the left sidebar, MacMaster supports users to scan certain folders, so click "Choose Path" and select a desired folder to open. Then, click the "Scan" tab to get it started. The process takes time according to the size of the files. Don't waste time here. Pick a book and read it for enjoying this spare moment. Or, just learn new knowledge from your dear gadget (Known as playing with your cell phone).

Drag Folders and Start Scanning

Step 3. Preview and Remove Duplicate Files

When the scanning process completes, to be clear for you, all the duplicate files will be listed on the interface and actually they are classified in categories like:

  • Videos

  • Photos

  • Music

  • Documents

  • Others

View Duplicate Files by Category

Click "Review" to select one category to preview the items. If you don't know which ones to be removed, check them according to its saving path or by clicking the magnifier logo. After removing the unneeded files, you're allowed to see only one file left and it will inform you how much space is free up.

Cleaning Complete


1. You can preview the photos, videos, songs, etc. in the first place avoiding mistaken deletion.

2. Tap the location under the file and copy the path to open the folder immediately.

It's easy, right? Deleting duplicates is able to free up much space on Mac, and then your Mac will back to prime time. Don't forget to clean up duplicate items from time to time.

Video Guide for Deleting Duplicate Files on Mac

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