8 Best Duplicate MP3 Finder Apps to Remove Duplicate Songs

Duplicate MP3 files can waste storage space and clutter your music collection. That's why you may want to remove them. I tested many duplicate MP3 finders and selected eight of the best. I share them in this article to help you choose the right tool for cleaning up duplicate MP3 files easily.

 

At a glance

• The best built-in option: Show Duplicate Items

  This is a feature built in to iTunes and Music and is free to use. It can find near duplicates as well. One potential downside is that you need to manually select duplicates to delete. If there aren't many duplicate MP3s in your library, this can be the best option for you.

• The best option for finding duplicates only: Cisdem Duplicate Finder

  This app can find duplicate audio files as well as other duplicate files with 100% accuracy. Automatic duplicate selections and various selection rules make it very easy to remove unwanted duplicates. It can be a good choice for average users.

• The best option for finding duplicates and near duplicates: Similarity

  This app can find MP3 files that are exactly or nearly identical. It offers a flexible Automark feature to help you select files for deletion based on your needs. It can be a great option for music enthusiasts.

 

3 duplicate MP3 finders for identifying duplicates only

#1 Cisdem Duplicate Finder (Windows, Mac, Android, iOS)

Best for: Easily and safely removing duplicate songs and other duplicate files, including those in iTunes and Music

Compatibility: Windows 10 or later; macOS 10.11 or later; Android 6.0 or later; iOS 15.0 or later

Latest version: 4.5.1 (November 13, 2025)

Price: $19.99 for a one-year subscription; $39.99 one-time purchase, with free lifetime updates

Cisdem Duplicate Finder identifies duplicate files by comparing file content (regardless of file names) with advanced hashing technology and provides 100% accuracy. In addition to MP3, it supports all other audio formats (such as AAC, AIFF, OGG, WMA, WAV, and FLAC) along with all other file types.

It automatically selects all duplicates for deletion while keeping the original files unselected and untouched. Therefore, you can easily delete all duplicates at once.

(You can also use the preset selection rules provided by it to select files based on your specific needs, for example, keeping the songs on your computer and delete duplicates from your external hard drive.)

How to find and delete duplicate MP3 files on Windows and Mac

The following steps use Cisdem Duplicate Finder as an example to show you how to use such an app in general.

Step 1. Install a duplicate MP3 finder

Download and install Cisdem Duplicate Finder. Open this app.

Free Download Windows 10 or later Free Download macOS 10.11 or later

Step 2. Add locations to scan

Drag one or more locations (such as regular folders or the Media folder of iTunes or Music) on your computer or an external storage device to this app. Alternatively, you can use the Add button to add them.

Step 3. Optionally, customize settings

Sticking with the default settings should be enough for average users in most cases. You can customize scan and removal settings if needed, such as ignoring small files or important folders/subfolders.

(For duplicate MP3 finders that compare files by metadata, customization can be more important, since different settings may affect the accuracy of the comparison.)

Step 4. Click Scan

Click Scan to start comparing files and identifying duplicates.

Step 5. Examine scan results

A results window will appear once a scan is complete. There, you can easily view the detected duplicate MP3s along with other duplicates.

(A built-in media player is available for Mac users, allowing them to preview songs directly within the app.)

Step 6. Remove unwanted duplicate MP3s

Since all duplicates have been automatically selected, you can just click Delete and then confirm the deletion. (Choose a desired selection rule or manually select/deselect files before deletion if needed.)

Deleted files will go to the Trash (Mac) or Recycle Bin (Windows).

 

#2 Easy Duplicate Finder (Windows, Mac)

Best for: Helping users, especially beginners, to get rid of duplicate MP3 songs as well as other duplicate files

Compatibility: Windows XP or later, macOS 10.7 or later

Latest version: 7.36.0.78 (December 20, 2025)

Price: $39.95 one-time purchase, with free updates for one year

Easy Duplicate Finder is not especially designed for finding duplicate songs, but it can be used as an MP3 duplicate finder. It supports various audio file formats like MP3, AAC, AC3, AIFF, etc. This tool comes with 2 modes: EASY and ADVANCED.

For most users who have no idea where MP3 songs are stored on their computers, it’s recommended to use the Easy mode to scan the entire hard drive for duplicates. Alternatively, you can choose the Advanced mode and select specific folders or drives to scan. The Advanced mode is customizable and allows you to include or exclude certain file types from scanning. It scans duplicate songs based on the SHA256 algorithm (a kind of hashing technique) and file size comparison. You can select Byte-by-Byte comparison, Music scan, or others if needed.

The scan time depends on the amount of files in the folders you have added. In the Resolve Duplicates window, you can view duplicate MP3 files by navigating to the Music tab and filtering the results to show only MP3 songs. It lacks the built-in audio player. Before eliminating duplicates, you can view and compare their filenames, paths, sizes or preview music files using a music player on your computer.

This tool also provides several unique features like Undo, which allows you to easily recover MP3 files that are mistakenly removed.

 

#3 Duplicates Cleaner (Android)

Best for: Removing duplicate MP3 files from Android devices for free

Compatibility: Android 13.0 and up

Latest version: 4.1.8 (January 8, 2026)

Price: Free

Duplicates Cleaner is a 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.

 

5 duplicate MP3 finders for detecting both duplicates and near duplicates

#1 Similarity (Windows, Mac)

Best for: Helping music enthusiasts remove duplicates and near duplicates from their music libraries

Compatibility: Windows XP or later (32-bit or 64-bit); macOS Lion or later

Latest version: 2.5.1 (November 17, 2021)

Price: $19.95 one-time purchase, with free updates for one year

If you are a big fan of music, you may have collected multiple versions of the same song, such as two duplicates of the album version, two live versions, and one radio version. In addition to unnecessary duplicates, you may need to clean up unwanted near duplicates. This is when Similarity can help.

Similarity helps keep your music collection organized and well maintained by removing duplicates and unwanted versions, such as those with low bitrates or noises. This app compares MP3 files by audio content (via an advanced technology called acoustic fingerprint) and/or metadata (like title, artist, album, genre, and duration).

In addition to comparing audio content, it calculates the quality score using the built-in spectrum analyzer and sonogram analyzer. That's why it can identify potential lower-quality versions of MP3s.

You can select your desired comparison method(s) and adjust the threshold for a method. A lower threshold can return more near duplicates and potentially more false positives.

Its scanning speed is pretty fast. After scanning, it organizes the search results. To view duplicate MP3 files, go to the Audio Results tab. This tool provides an Automark feature to automatically marks files to delete by the priority you set. To play an MP3 song, you need to double-click it in the results list to open it with your computer’s media player.

 

#2 Duplicate Media Finder (Windows)

Best for: Helping users easily find MP3 files that are nearly the same along with duplicates

Compatibility: Windows 10 or later

Latest version: 12.005

Price: $47.95 one-time purchase, with free updates for one year

Duplicate Media Finder provides three modes. To accurately identify duplicate MP3 songs only, you need to choose the Search for identical files mode, which uses hashing technology. To find both identical and nearly identical songs, choose the Search for similar media mode, which compare files by metadata.

To find as many near duplicates as you wish while providing a decent level of accuracy, you can include or ignore metadata tags like title, artist, year, and sample rate and adjust the similarity threshold for each.

It provides a few selection rules to help you quickly select duplicates to delete. Although they are also available for selecting near duplicates, they are not very effective and reliable.

Duplicate Media Finder's interface is outdated and not very user-friendly, but it can be easy to use once you get familiar with its design.

 

#3 Duplicate Music Fixer (Windows)

Best for: Automatically locating your music libraries to scan for duplicate MP3 files and helping choose the highest quality ones

Compatibility: Windows 7 or later, both 32 bit and 64 bit

Latest version: 2.1.1000.5828 (January 2, 2026)

Price: $29.95 one-time purchase

Duplicate Music Fixer is especially designed for finding and removing identical and similar music, including MP3 files. When opening it, you’ll find that the music folder, iTunes music library and other Music library on your system are already in the scan list. You can exclude them from scanning or add other folders if desired. Before scanning, you are allowed to limit the scan to only a certain audio format.

Since the speed is slow, it’s not recommended to scan for multiple folders at once. After scanning, you can find groups of detected MP3 songs in the RESULTS window. You can use its selection assistant to help you mark duplicates by the selection priority you set. For example, you can select music files with a lower bit rate. If the bit rates are the same, selecting smaller files usually means selecting lower-quality versions.

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.

 

#4 Tune Sweeper (Windows, Mac)

Best for: Removing duplicate MP3 files from iTunes or Music as well as cleaning up other clutter

Compatibility: Windows 7 or later; macOS 11.5 or later

Additional Requirement: iTunes 10 or later for Windows

Latest version: 4.26

Price: $19.99 one-time purchase

If you want to clean up your iTunes library, Tune Sweeper could be good for you. It only scans iTunes or Apple's Music for duplicate MP3 songs but not other music libraries on computer. The user interface is simple and intuitive. It includes 7 advanced features: search for duplicates, get missing artwork, list missing tracks, find new tracks, fix track info, find tracks from Apple Music, and view statistics about your music collection.

Tune Sweeper identifies identical and similar duplicate MP3 songs by comparing metadata. If you click Search for Duplicates on the welcome screen, it will automatically start the process. If not satisfied with the search results, you can change the criteria in the Duplicate Search Criteria on the left and rescan. For example, if you check the Track Time box and set the maximum time difference to 3 seconds, then the two MP3 tracks must be within 3 seconds of each other in duration to be considered duplicates.

Another useful feature of this application is that it let you search duplicate groups using the search field located in the upper right corner of the results window.

 

#5 Show Duplicate Items (Windows, Mac)

Best for: Detecting duplicate MP3s and near duplicates in iTunes or Apple's Music for free

Compatibility: Widows 7 or later; macOS 10.15 or later

Price: Free

Instead of being an individual app, Show Duplicate Items is a feature built in to iTunes and Apple's Music app. It compares songs by metadata and provides two modes. The Show Exact Duplicate Items mode helps you find MP3s that are exactly the same. With the Show Duplicate Items mode, you can find both identical and similar tracks, such as the album version and the single version.

This feature works very fast, even if you have a large library. In each group of duplicates, you can select the unwanted copies or version. Once you finish selecting them, you can bulk delete them. However, if there are many groups, it can take a long time. In such a case, you may need a tool with a helpful selection feature.