Harmony

Music Manager for Old-School DJs

Harmony is a powerful desktop music manager built for DJs who love their craft. Organize your collection, auto-tag tracks, detect duplicates, and stay in sync with Traktor — all from one fast, keyboard-friendly app.

Harmony main screen showing the music library with waveform player

Everything you need to manage your collection

Built by a DJ, for DJs. Every feature is designed to save time and keep your library in perfect shape.

Music Library

Manage your entire collection with a high-performance grid, waveform player, star ratings, and instant Ctrl+K search.

Smart Auto-Tagging

Automatically tag tracks from Beatport, Traxsource, and Bandcamp with intelligent fuzzy matching and confidence scoring.

Audio Analysis

Detect BPM and musical key automatically using parallel worker threads powered by essentia.js — fast and accurate.

Duplicate Finder

Find and clean duplicate tracks with side-by-side waveform comparison, smart suggestions, and bulk deletion.

Traktor Integration

Bidirectional sync with Traktor NML files. Import and export tracks, hot cues, loops, and full playlist hierarchies.

Set Preparation

Keyboard-driven workflow to rapidly curate tracks for your next set. Press K to keep, D to skip — that simple.

Beatport Recommendations

Discover new music similar to tracks in your collection directly from Beatport, right inside the app.

Cross-Platform

Native desktop app for Windows, Linux, and macOS. Runs fast and offline — no cloud, no subscriptions.

See it in action

A modern interface designed for speed and efficiency, with full light and dark mode support.

Harmony music library with waveform player and playlist sidebar
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Music Library

Browse your entire collection in a high-performance data grid. The waveform player at the top lets you preview tracks instantly, while the sidebar keeps your playlists organized and accessible.

Track metadata editor with cover art and quick actions
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Track Editor

Edit all your track metadata in one place. Full cover art display, filename-to-tag extraction, direct links to Beatport and Traxsource, and quick actions to clean up your tags in seconds.

Auto-tagging candidates from Beatport and Traxsource
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Smart Auto-Tagging

Search across Beatport, Traxsource, and Bandcamp simultaneously. Review match candidates with scores, cover art, BPM, key, and label — then confirm with one click.

Duplicate finder with side-by-side waveform comparison
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Duplicate Finder

Detect duplicates across your collection using configurable fuzzy matching. Compare waveforms side by side, let the system suggest which to keep, and free up disk space in bulk.

Traktor NML sync settings with merge strategies
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Traktor Sync

Deep integration with Traktor Pro. Preview changes before applying, choose your merge strategy, and keep hot cues, loops, and playlists perfectly in sync between both libraries.

Beatport track recommendations panel
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Beatport Recommendations

Find new tracks to add to your sets. Harmony fetches similar track recommendations from Beatport based on tracks already in your collection and lets you open them directly.

Ready to organize your collection?

Download Harmony for free and take control of your music library today.

Download Latest Release

Available for Windows, Linux and macOS