This article provides a list of the top 8 duplicate MP3 finders for Windows, Mac and Android. A duplicate MP3 finder is designed to efficiently find and delete duplicate MP3 files in folders, drives and music libraries. Getting rid of duplicates can help you free up space and better organize your music collection.
Cisdem Duplicate Finder
Free Download Windows 11/10/8/7 
Free Download macOS 10.11 or late
Here are the top-rated apps to help you easily identify and eliminate duplicate MP3 songs.
Excel at removing duplicate music and any other duplicate files, including those in iTunes and Music
Compatibility: Windows 10 and 11; macOS 10.11 or later
Latest version: 2.10.0 (23/08/11)
Price: $19.99 One-Year Subscription; $39.99 One-Time Purchase
Cisdem Duplicate Finder is an easy-to-use and powerful MP3 duplicate finder and remover, which helps find duplicate MP3 files in computer folders, iTunes and Music quickly. It supports all audio formats such as MP3, AAC, AIFF, OGG, WMA, WAV and FLAC. In addition to audios, it can also find other types of duplicate files, including videos, photos, documents, archives, and more. After scanning, it displays all found duplicates by types. You can deal with duplicate songs under the Music tab.
1. Download this duplicate MP3 finder and install it. Open it.
Free Download Windows 11/10/8/7 Free Download macOS 10.11 or later
2. Click the plus icon and add one or multiple folders/drives to scan for duplicates.
To find duplicate MP3 files in iTunes, you can add your iTunes Media folder to scan. Open your iTunes app and choose iTunes > Preferences > Advanced. Then you’ll see the location of iTunes Media folder.
3. Click Scan.
4. Once the scan is finished, in the scan results window, go to the Music tab where you can find a list of all duplicate audio files including MP3 duplicates. You can sort, view and preview them.
5. This MP3 duplicate finder already automatically and smartly selects duplicate copies for you to delete all at once with a click. You can also select/deselect by hand.
6. If needed, customize the auto-selection by clicking the icon 
and choosing a desired selection rule.
7. Click the Delete button.
By default, the selected MP3 duplicates will be moved to Recycle Bin/Trash. Also, you can go to Settings > General to select a desired remove method (Move to Trash/Remove Permanently/Move to Folder) before scanning.
Help you get rid of duplicate songs on Windows and macOS
Compatibility: Windows 11 or earlier; macOS X 10.8 or later
Latest version: 7.25.0.45 (23/08/18)
Price: $39.95 for 1 computer
Designed to detect duplicate files on Windows and Mac, this is another app that can be used as a duplicate MP3 finder. Supporting various audio file formats such as MP3, WMA and AAC, it can find duplicate music files with the same name or file properties. Compared with Cisdem Duplicate Finder, this tool has a more complicated interface, which makes it less user-friendly. But it also provides several unique features like Undo, which allows you to easily recover MP3 files that are mistakenly removed.
It allows users to scan selected folders for duplicate songs based on the SHA256 algorithm and hash comparison. In addition to computer hard drives, it also works with removable devices like floppy and USB disk. By cleaning up duplicate MP3 music with this duplicate MP3 file finder, you can make room for new music.
1. Get this duplicate MP3 finder on your PC. Open it. Select a desired scan mode.
2. Drag and drop one or more folders to the Include to Scan area.
3. Click the big Start Scan button. The scan time depends on the amount of files in the folder(s) you have added.
4. When the scan finishes, you can click Auto Remove to automatically delete all detected duplicate MP3 tracks. However, it’s recommended to click Manual Review to check out the files first.
5. Go to the Music section where all duplicate MP3 audios are listed. In the Preview window on the right, you can play and listen to a track without leaving the app.
6. Clicking the Edit icon in the bottom left corner of the Preview window will allow you to choose a selection rule. You can also manually select duplicates to delete.
7. Click the Trash icon, and this duplicate MP3 finder will ask you to select to either move to Recycle Bin or delete them permanently.
If you find that you’ve accidently deleted a file you need, you can click the Undo button.
A beautiful and handy duplicate MP3 finder for Mac
Compatibility: macOS 10.10 and higher
Latest version: 2.9.8 (23/03/22)
Price: $44.95 for 1 Mac
Gemini 2 is a good choice for people who want to eliminate duplicate MP3 music files effortlessly. It allows you to choose from a custom folder, Home folder, Pictures folder or Music folder to scan. Gemini 2 will try to open your iTunes app and scan your libraries when searching for duplicate MP3 files.
Gemini 2 uses fast and accurate scanning algorithms to precisely detect similar and exact duplicate audio files. Features like scanning the biggest files first, auto-select and spectacular shredding of duplicates make Gemini an excellent macOS utility. In addition, it has a truly remarkable interface design.
Once the scan is finished, one can click Review Results to view and delete the found duplicate songs. The preview feature enables you to play MP3 directly using this app, which is convenient.
Automatically locate your music folder(s) to scan for duplicates
Compatibility: Windows 11 or earlier, both 32-bit and 64-bit
Latest version: 2.1.1000.11057 (22/09/23)
Price: $39.95 for 1 PC
As the name suggests, Duplicate Music Fixer is designed especially for the purpose of finding duplicate music. This duplicate MP3 finder supports various formats such as MP3, WAV, M4A and WAV. You can use it to find duplicate MP3 files in selected folders.
It automatically locates and lists the music library folders (such as the iTunes folder) on your computer. You can also manually add folders for scan.
The duplicate MP3 finder will start looking for duplicates once you click Scan for Duplicates. The scan is relatively slow when compared with some other similar software. In the Results window, you can find groups of detected MP3 songs. In addition, this program supports to find and remove similar music files based on ID3 tags like title, album, file name etc.
The Selection Assistant tools can auto-select duplicate copies based on the default or custom settings, which makes it easy to filter unwanted MP3 audios for selection. The MP3 duplicate finder can move selected MP3 files to the Recycle Bin or a folder of your choice.
In the Preview window, there is a play button. However, as a matter of fact, the app doesn’t provide a built-in media player. If you select a song and then click the said button, it will open the default audio player on your computer.
Sophisticated software to weed out duplicate MP3 tracks and other duplicates
Compatibility: Windows 11,10, 8, 7 and Vista
Latest version: 5.20 (23/08/30)
Price: $39.00 for 1 PC
Developed by DigitalVolcano, Duplicate Cleaner 5 is one of the best duplicate MP3 finders to remove duplicate music files on Windows 11 and earlier versions.
In addition to MP3, it also supports 7 other formats such as OGG and WAV. To use it as a MP3 duplicate finder, you need to choose Audio mode in the Scan criteria window. There are a number of audio match settings for you to choose. Such as Match exact audio data mode, which will identify duplicate audios with identical format, length and comparison. If you choose Similar match mode, it will compare the length, quality and content of audio files and consider those with smaller differences as duplicates. But if you have many audio files, the scanning will take a long time.
When this MP3 duplicate finder finishes scanning, it will list all found duplicate MP3 files in the Duplicate Files window. In the left column, you will find a list of Selection assistant tools, which will help you mass mark unwanted copies for deletion. As for deleting unneeded songs, you can move them to the Recycle Bin or to a folder. There are other options such as Rename or Move files.
Use the acoustic fingerprint technology to compare audio file content and identify MP3 duplicates
Compatibility: Windows XP, 2003, Vista, 7, 8, 10 and 11, 32-bit or 64-bit; macOSX 10.7 and above
Latest version: 2.5.1 (21/11/17)
Price: $19.95 for 1 year
Similarity, also known as Similarity Duplicate Music Finder, is made to deal with duplicate music files. Unlike other MP3 duplicate finders, this program can not only find duplicate audios, but also analyzes files and calculates quality score with built-in spectrum analyzer, sonogram analyzer, acceleration of computing with the OpenCL technology and some other advanced features, which can help you accurately and quickly find higher quality audio files in your music library. This tool also has an auto mark feature, but it's not very useful. You can double-click the audio file in the result list to play the music within the app and mark unwanted duplicates by hand. Just like the duplicate MP3 finder apps mentioned above, this one can also scan a large amount of files without using resources heavily.
Compare MP3 audios binary by binary to find the duplicates among them
Compatibility: Windows 11, 10, 8.1, 8, 7, Vista and XP, 32-bit or 64-bit
Latest version: 17.2 (21/12/16)
Price: $14.99 for 1 year
TriSun Duplicate MP3 Finder Plus is specialized in finding duplicate music files. It uses high-speed comparison algorithm to scan MP3 and other kinds of music files in system drives, CD drives, network drives, etc. This tool is easy to use. It is a good choice for those normal users who do not need many advanced features. It offers only one scan mode, and there is no search option to choose from. After launch the app, you can directly click the "Find Now" button on the main window to quickly get the search results for duplicate audio files.
It sort the found duplicate audio files by file size in descending order. You are able to view the name, path, size, type, and date of the file in the preview window. But it doesn’t provide a built-in audio player. This is a bit inconvenient.
The best free duplicate MP3 remover for Android to help clean up your mobile music collection
Compatibility: Android 6.0 and up
Latest version: 3.4.7 (23/08/07)
Price: Free
This popular and highly rated app can help Android user find and remove duplicate MP3 files and other types of duplicates such as duplicate images and videos.
It’s easy to use and customizable. To find all duplicate music files on your Android phone, you can directly use the “Scan Duplicate Audio” option. To deal with duplicate MP3 songs only, you can go to Settings and add the MP3 format as the custom file type. After that, add one or more folders to search for dupes.
The detected duplicate songs will be listed in groups. This duplicate MP3 file finder will automatically selected for elimination. You can manually go through them and deselect the songs that you actually need.
Above are the best duplicate MP3 file finders. Some of them only find duplicate audio files, and others are more versatile with support for videos, images, documents and more. If you are a Windows user, you can use Duplicate Music Fixer. If you have a large number of duplicate songs, videos and photos on your hard drive, Cisdem Duplicate Finder for Windows and Mac is the best.
Windows users can also check out EF Duplicate MP3 Finder, an app dedicated to finding and removing duplicate audio files on PC. When identifying MP3 dupes, it will take into consideration the audio content and ID tags. In addition to MP3, it also supports OGG, WMA and FLAC. Also, I’d like to mention an app called Yet Another Duplicate File Remover, in case you are interested in an open-source app. It’s free to use and available on SourceForge.
Rosa has worked in Mac software industry for more than eight years. She believes that the purpose of software is to make life better and work more productively. In addition to writing, Rosa is also an avid runner.
Alexander Jung
Hi, Peter, thanks for your informative post. It really helped me! Keep up the great work!
Cole
I was fed up with the duplicate mp3 files on Mac, but now they were gone with the help of Cisdem Duplicate Finder. Thanks for sharing such powerful app.