How to Delete Duplicate Music Files Automatically (Without Losing Quality)

Audio Comparer – Find and Remove Duplicate Music

If you’ve been collecting music for years, your library likely contains hundreds — maybe even thousands — of duplicate songs. They sneak in from downloads, rips, backups, and cloud syncs. And because they often have different filenames, formats, or missing tags, regular cleanup tools can’t find them.

Audio Comparer solves this by listening to your music, not just reading filenames. It uses advanced audio fingerprinting to detect duplicates by actual sound, so it can match a 128kbps MP3 with a 320kbps version or even a FLAC file of the same song.

Why File Names and Tags Aren’t Enough

Most duplicate finders rely on metadata — song title, artist, file size, or bitrate. But what if:

  • You have the same song saved as “Track01.mp3” and “Artist - Song.mp3”?
  • One file is MP3 and another is WAV?
  • The tags are missing or incorrect?

These files are identical in sound but invisible to basic tools. Audio Comparer hears the audio content, so it finds duplicates others miss.

How Audio Comparer Finds and Removes Duplicates

Here’s how it works:

  1. It listens to every song in your collection (takes ~1–2 seconds per file).
  2. It remembers the audio fingerprint of each track.
  3. It compares all files and groups duplicates by similarity.
  4. You choose which version to keep (best quality, preferred format).
  5. It deletes the rest — or moves them to a backup folder.

The results are displayed in a clear tree view, so you can see exactly which files are duplicates and where they’re located.

Works with iTunes and Any Audio Format

Whether your music is in iTunes, a folder on your desktop, or scattered across drives, Audio Comparer can scan it all. It supports:

MP3, WAV, FLAC, WMA, AAC, OGG, AIF, WavPack, and more.

And yes — it works perfectly with iTunes libraries, preserving your playlists and ratings while removing only the duplicates.

Keep the Best Version, Delete the Rest

Audio Comparer doesn’t just delete duplicates — it helps you keep the highest-quality version. It analyzes bitrate, format, and file integrity to suggest the best file to keep. Or you can manually choose.

This way, you don’t accidentally delete your best copy.

Ready to Clean Your Music Library?

Download the free trial and see how many duplicates you have.

Download Free Trial

✅ 30-day trial | ✅ No file damage | ✅ Works with iTunes

What Our Users Say

Perfect for music lovers

"As someone with both a large MP3 library and a carefully curated iTunes collection, I needed a tool that could handle both — and Audio Comparer delivers. It doesn’t just match filenames; it actually listens to the audio. Finally, my library feels organized again."
— Marlon Sanders

Rating: 5/5 ·