How to Find Duplicate FLAC Files on Mac

Last updated: 2026-04-03

How to Find Duplicate FLAC Files on Mac

As a DJ, maintaining a clean and organized music library is crucial for a seamless performance. Duplicate FLAC files can clutter your library and make it difficult to find the tracks you need. Fortunately, finding and removing these duplicates on a Mac is straightforward with the right tools.

In this guide, we'll show you how to use Dupes, a powerful duplicate track finder for macOS, to identify and eliminate duplicate FLAC files from your music library.

  1. Download and Install Dupes

    Start by downloading Dupes from the official website. Once downloaded, open the installer and follow the on-screen instructions to install the application on your Mac.

  2. Launch Dupes and Add Your Music Library

    Open Dupes and click on 'Add Folder' to select the location of your music library. This is typically where your FLAC files are stored. Dupes will then scan the selected folders for duplicate files.

  3. Scan for Duplicate FLAC Files

    After adding your music library, initiate the scan by clicking on the 'Scan' button. Dupes will analyze your files and present a list of detected duplicate FLAC files.

  4. Review and Delete Duplicates

    Once the scan is complete, review the list of duplicates. You can listen to and compare each file to ensure accuracy. Select the duplicates you wish to remove and click 'Delete' to clean up your library.

  5. Organize Your Library

    With the duplicates removed, take some time to further organize your library. This can include renaming files or arranging them into specific folders. For more tips on organizing your library, check out our guide on cleaning up your DJ music library on Mac.

Eliminating duplicate FLAC files not only frees up space but also ensures you have a streamlined library ready for any gig. For additional preparation tips, see our guide on preparing your DJ library before a gig. By keeping your music library organized, you can focus more on your performance and less on searching for tracks.

For those using DJ software like Serato, you may also find our guide on finding duplicate tracks in Serato DJ useful.

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How to Find Duplicate FLAC Files on Mac