Guides · Find & remove duplicate tracks

🎯 Duplicate Detection

Acoustic fingerprint matching catches the same recording across formats, bitrates, and tag spellings — even when filenames disagree. The Group Scorer ranks copies so the cleanest stays and playlists never break.

5 guides in this category.

DJ-aware cleanup

The duplicate finder built for DJs

Most dedupe tools treat your DJ library like a folder of loose MP3s. MLD knows which files your playlists reference and re-points them before anything gets touched.

Duplicate detection

Find duplicate songs your tags can't

Acoustic fingerprint matching catches the same recording across formats, bitrates, and tag spellings. Works on any music folder — no DJ software needed.

How-to

How to find duplicate songs across different formats

Acoustic fingerprint matching catches the same recording even when the filename, tag, format, or bitrate disagree. Mac & Windows, no DJ software required.

Library cleanup

Remove duplicate tracks from your DJ library

Cross-library duplicate detection across Rekordbox, Serato, and VirtualDJ. The Group Scorer picks the best copy; losers go to Trash/Recycle Bin; every playlist is re-pointed first …

What is

What is acoustic fingerprinting for music libraries?

A content-based hash of the audio signal itself — stable across formats, bitrates, and tag spellings. It's what makes cross-format duplicate detection possible.

Other categories

Library Migration · Library Repair · Library Organization · Audio Quality Analysis · Folder Library Mode · DJ Software Setup

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