Split any song into clean stems — on your own machine.
Drop in MP3, WAV, FLAC, AIFF, OGG, or M4A (macOS). Get drums, bass, vocals, guitar, piano, and "other" as separate 44.1 kHz WAVs in a few minutes. No cloud upload, no recurring fee.
One-time purchase
macOS + Windows
14-day refund
Why EZStemz
Everything runs on your machine.
100% local
Separation runs on your CPU — audio is never uploaded for processing. The desktop app works offline. Create a free account here only to buy your license and download installers.
6-stem model
Drums, bass, vocals, guitar, piano, and other
Mix and export
Mute, solo, and gain per stem. Export 44.1 kHz WAVs to your DAW or mix in the app using plugins.
FAQ
Questions before you buy.
Does this need an internet connection?
No, it runs entirely offline.
Will my GPU make it faster?
Not yet. Everything runs on the CPU today. Apple Silicon is fastest; Intel and Windows take a bit longer.
Which formats can I drop in?
MP3, WAV, FLAC, AIFF, OGG, plus M4A on macOS. Output is always 44.1 kHz stereo WAV.
Is there a free trial?
There's a single one-time purchase that includes lifetime updates and re-downloads on any of your machines. No subscription.
Can I get a refund?
Yes — if the app doesn't work on your machine, email admin@blacksquidaudio.com within 14 days and we'll refund in full.
Ready to break a song apart?
One purchase, lifetime updates, runs forever offline.