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Demucs.net

A hosted place to run Demucs, the open-source music source separation model, without installing Python, PyTorch or CUDA. Upload a track, pick a model, get your stems.

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Tools

  • Demucs Online
  • Stem Splitter
  • Vocal Remover
  • Karaoke Maker
  • Demucs Models
  • Pricing

Information

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  • Acceptable Use
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Demucs.net provides online audio separation powered by the open-source Demucs model. The site is independently operated and is not affiliated with Meta Platforms, Inc. or the authors of Demucs. Open-source project

© 2026 Demucs.net

Demucs.net/Disclaimer

Disclaimer

What Demucs.net is, what it is not, and what you can and cannot expect from its results.

Last updated October 31, 2026. Demucs.net is an independent website run by the operator of demucs.net (“we”, “us”). It is not affiliated with, endorsed by, or operated by Meta Platforms, Inc. or the authors of Demucs.

Unofficial

Demucs.net is an independent, unofficial web interface. It is not affiliated with, endorsed by, or sponsored by Meta Platforms, Inc. or the authors of Demucs. The domain uses the project's name because that is what the tool is; it does not imply any relationship with the project. The official source code is at github.com/facebookresearch/demucs.

Licensing

Demucs is released under the MIT license. Its pretrained weights were trained on datasets that carry their own terms, which differ from the code's license. Our Licensing page sets out what that means for this site and for what you do with your stems.

Results

Separation is a model's best estimate, not an exact recovery of the original recordings. Some bleed between stems is normal, and dense or unusual mixes can separate poorly. Processing times quoted on this site are measurements, not promises. Nothing here guarantees a result or fitness for a particular purpose.

Your responsibility

You decide what to upload and what to do with the stems, and you are responsible for having the rights to do it. Nothing on this site is legal advice; if you are unsure whether you may use a recording, ask the rights holder or a lawyer.

External links

Links to other websites are provided for convenience. We do not control those sites and are not responsible for their content.