Stem splitter
Meet the layers.
Separate a song into vocals, drums, bass and other instruments, then listen and save each track.
Separate your track
Four separate MP3 tracks: vocals, drums, bass and other instruments. Separation sends your audio through our server to a third-party audio processing service.
Free trial uses a separate, limited daily allowance. No credits will be charged.
Shared daily limits apply. Save the results promptly: provider files are temporary. A closed tab does not stop a submitted job; use Cancel while processing. Jobs time out after five minutes.
Your stems
Select a track and start separation to get real audio outputs.
Four parts from one mixed song
Choose an audio file you have permission to process. Demucs estimates the vocals, drums, bass and remaining instruments from the combined recording. Unlike original multitracks, separated stems can contain bleed or artifacts. Listen to each result before using it for practice, editing or a release.
This workflow accepts MP3, WAV, AAC or M4A up to 4 MB and six minutes. A compressed MP3 is practical for longer tracks. Processing runs with Replicate, so your audio leaves this browser only after you confirm the upload. Shared usage budgets can temporarily limit requests. Save the four MP3 files promptly; results are temporary, not a cloud library.
Turn a stem into a video
Use the vocal for a reviewed lyric draft, practice along with the rhythm section, or bring a downloaded stem into the MP3 visualizer. The tool does not grant rights to someone else’s recording. You remain responsible for permissions to publish or remix it.
A FEW GOOD QUESTIONS
Before you press play.
Understand the four outputs, audio upload and separation job controls.
Which four stems do I get?
Vocals, drums, bass and other instruments, each as a separate MP3. This version does not isolate guitar or piano into additional tracks.
Does my audio stay on my device?
No. Separation sends the selected audio to Replicate after your explicit confirmation. Provider files are temporary; save the outputs promptly. The separate audio visualizer renders locally.
Can I cancel a job?
Use Cancel separation while the job is running. Closing the tab does not cancel a submitted task. The provider deadline is five minutes; returning to this tab can restore its job status.
Will the stems be perfectly clean?
No separation model guarantees clean isolation. Dense mixes, effects and overlapping sounds can leave artifacts. Listen to all four outputs before relying on them.