Stems and USB prep for your decks, without melting your laptop.

Upload your tracks and get back stems, waveforms, beatgrids and metadata, ready for Pioneer DJ CDJs and XDJs and Denon DJ players.

1. Where will you use the stems?

CDJ-3000: native stems on the deck

Native stems with cdj3k-mods, firmware 3.13 to 3.22. Drums, harmonics and vocals on the deck.

2. Pick a quality

FastQuickest turnaround. Great for most tracks.BalancedFine-tuned model with cleaner separation.QualityBest separation. The one a laptop can't run quickly.

3. Add your tracks

Drop tracks or folders here

MP3, WAV, FLAC, AIFF, M4A · up to 200 MB each

How it works

Upload
Drop in a track or a whole playlist. Files go straight to storage and are deleted after processing.
Process
Our GPUs separate stems and analyse beatgrid, key, waveforms, cues and phrases.
Export
Download a ready-to-play USB folder, or write it straight to your stick from the browser.

What you get

Stem separation

Native stems on modded decks, or separate stem tracks that play on any player.

CDJ waveforms

Preview, colour and 3-band waveforms, written in the native format.

Beatgrid & key

Downbeat-aware grids and key detection.

Metadata & playlists

Tags, artwork and playlists exported as a USB library.