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How to find and remove duplicate songs on Android

Track ID Deck · Last updated: 23 October 2026

The same song shows up twice in your music player: once as Artist – Title.mp3 and once as AUD-20241031-WA0081.mp3, or as song.mp3 and song (1).mp3. It takes space twice, plays twice on shuffle, and a renaming app may even offer to identify the unnamed copy again.

Why songs end up on a phone twice

• A backup put them back. Setting up a new phone, or restoring a chat app’s media, can bring back the original AUD-… files beside the copies you had already renamed.
• The same download was saved twice, for example once in Music and once in Download.
• Copied between phones or from a computer, with a folder brought over more than once.
• Downloaded again, sometimes at a different quality, so the two files are the same song but not the same file.

Exact copies: free with a file cleaner

If the two files are identical, any cleaner that compares whole files will find them. Files by Google, which many Android phones come with, lists them under Clean when it finds duplicate files. Check what it selects before you delete: it is a file tool, not a music tool, so it does not know which of the two names is the one you want to keep.

The limit is the word identical. Artist and title tags are stored inside the file. Once one copy has had its tags filled in, by a tag editor or a renaming app, the two files differ even though the song is the same, and a whole-file comparison passes them by.

Copies that were renamed or retagged

Here the comparison has to skip the tags and look only at the audio. Track ID Deck for Android does this in Settings › Duplicate songs:

1. It reads the audio in each MP3, M4A and FLAC file with the tags left out, so a copy that was renamed and retagged still matches the file it came from, and two different songs never match. Other formats are compared as whole files.
2. For each song it finds twice, it shows which copy it keeps and which it would remove. The one kept is the best-named copy; between two equally good names, one in your Music folder wins over one in a chat app’s folder. You can play either before you decide.
3. Nothing is removed until you say so, and one copy of every song always stays.

It also lists songs with the same artist, title and length that are not the same file: usually a second download, perhaps at another quality. Those are shown for you to decide, with the larger file kept by default. Duplicate songs is free and works offline; nothing is uploaded.

Before you remove anything

• Check the copy that stays plays properly and has the name you want.
• Mind other apps’ playlists. A playlist in another player that points at the removed copy will lose that song. Track ID Deck’s own playlists keep a song when it is renamed.
• Expect a restore to happen again. If a chat app restores its media later, it can put its copies back; run Duplicate songs again afterwards.

Common questions

Can it remove two different songs by mistake?

Not as exact copies: those match only when the audio is the same. Songs that merely share an artist, a title and a length, such as a live version, are listed separately for you to look at, and nothing is removed without you.

Does it cost anything?

No. Duplicate songs, the music player and Free names are free. Only identifying a song from its sound uses a credit.

Can I do this on a computer?

Yes, with a duplicate-file finder for exact copies. For copies with different tags you need a tool that compares the audio rather than the file. If the real problem is files with no names, start with how to batch rename music files.

Songs on your phone twice? Track ID Deck for Android finds them by their audio, shows you both copies, and removes only what you choose.

What else the app does: Track ID Deck for Android.