Built for DJs who take their craft seriously.
Create and organize unlimited color-coded crates. Group tracks by vibe, key, BPM, or genre.
Find any track instantly by title, artist, label, key, or BPM across your entire collection.
Drop any track for instant BPM analysis via energy flux autocorrelation — accurate to 0.5 BPM.
Automatic musical key detection using the Krumhansl-Schmuckler algorithm. Camelot notation included.
Drag and drop tracks into setlists. Real-time flow analysis highlights BPM jumps and key clashes.
Export as .csv for Rekordbox & Serato, or .txt for printing. Metadata travels with every track.
Tag tracks with energy levels, crowd reactions, mix notes — whatever your workflow needs.
Runs on any server. Works in any modern browser. No lock-in, no subscription.