Browser-based stem separation with Demucs AI. No command line, no setup, better quality than Spleeter.
Skip the Python installation and command-line complexity - just drag and drop your music files
Your music stays on your device, unlike server-based Spleeter tools
No installation, no setup - start separating stems immediately
Get piano, guitar, and other lead stems that Spleeter can't separate
| Feature | Music Demixer | Spleeter |
|---|---|---|
| Setup Required | ✓ None - Browser Only | ✗ Python + Command Line |
| Privacy | ✓ 100% Local Processing | ✗ Varies by Tool |
| Stem Options | ✓ 6+ Combinations + Drum Kit Pieces | ✗ Fixed 2/4/5 Only |
| Processing Speed | ✓ Instant Start, GPU-accelerated | ✗ Setup + Learning Curve |
| User Interface | ✓ Modern Web App + Advanced Tools | ✗ Command Line Only |
| Audio Quality | ✓ Latest Demucs v4 + Advanced Transcription | ✗ 2020 Model |
| Frequency Range | ✓ Full 22 kHz (CD Quality) | ✗ Limited to 11-16 kHz |
MP3, WAV, any format • Stays 100% private
Vocals, drums, bass, guitar, or everything
High-quality separation • Use anywhere
Start your 3-day free trial, or contact us for team pricing
Built for schools & teams
We use Demucs (newer AI from 2021+) instead of Spleeter (2020). Demucs has better separation quality and supports more stems. Plus no Python installation needed.
Yes, you get a 3-day trial with all features: unlimited stems, MIDI transcription, drum kit breakdown.
Yes, all processing happens in your browser. Files never leave your device.
Drum kit pieces (kick, snare, cymbals), drum notation export, 96% accurate piano transcription with hands/pedals.
No. It runs in your browser. No Python, no command line, no setup.
Music Demixer works best on modern computers with up-to-date web browsers. WebGPU in the latest Chrome, Edge, or Safari gives the best results. Use our compatibility check or visit the full guide to see if your setup is ready.
"The demixing was very good, and much better than I was getting with RX 10. Thank you for giving me this chance to try the PRO version."
"Your platform is the best music score generator I've found, and it keeps getting better with every update."
"I demixed the tracks with your app for my latest production project. The results were fantastic!"
Browser-based stem separation that works instantly
Looking for Spleeter online? Music Demixer uses Demucs, a newer AI that replaced Spleeter as the state-of-the-art in stem separation.
Spleeter (Deezer, 2020) was the first open-source stem separator. Demucs (Meta/Facebook, 2021+) improved on it with better quality and won the Sony Music Demixing Challenge.
Key differences:
Spleeter requires Python installation and command-line usage. Most musicians want a browser version that just works. That's what we built - Demucs in your browser, no setup needed.
With Music Demixer, these problems don't exist - it just works in your browser.
Spleeter requires:
Music Demixer solves this - it runs in your browser instantly.
Many sites use Spleeter's older technology:
If you're searching "Spleeter online" or "Spleeter without Python" - that's exactly what we provide, but with newer Demucs AI instead of old Spleeter models.
Spleeter cuts off frequencies above 11-16 kHz. This removes cymbal shimmer and vocal air. Demucs preserves full 22 kHz (CD quality).
| Feature | Music Demixer (Demucs) | Spleeter |
|---|---|---|
| Frequency Range | 22 kHz (full CD) | 11-16 kHz |
| Stems | 6+ combinations | 2/4/5 fixed |
| Setup | Browser instant | Python install |
| Extra Features | MIDI, sheet music | None |
Spleeter only does stems. We also convert to:
Separate instruments, then learn to play them or import to your DAW.