Docs

Everything you need to get Karafilt running, plus how to self-host the AI backend if you'd rather not subscribe.

Quick start

  1. Install the extension.
  2. Play a song in any tab.
  3. Click the Karafilt icon in your toolbar.
  4. Pick a mode and adjust the vocal removal slider.
  5. Click Start Filtering.

Modes

Spectral
STFT-based center-channel cancellation. Real-time, runs in your browser, free.
Basic
Simpler subtraction algorithm. Fastest, lowest quality, free.
AI Separation
Demucs neural-network separation. ~5s latency, requires Pro or self-hosted backend.
AI Deep Clean
Multi-pass Demucs with cleanup. Highest quality, ~10s latency.

Self-host the backend

Karafilt is AGPL-3.0. You can run the Python backend yourself and point the extension at it via Settings → Server URL. See the backend setup in the README.

Full docs site coming soon. In the meantime, the README has the deepest info.