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KioTools
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Vocal Remover / Extractor

What is this tool?

A browser-based vocal remover. It exploits the fact that vocals are usually mixed dead-center in a stereo track: subtracting one channel from the other cancels out center-panned content, which you can use to remove vocals (karaoke mode) or isolate them (extract mode).

When to use it

  • Making a rough karaoke version of a song
  • Practicing an instrument along with a backing track
  • Isolating a roughly centered vocal for sampling or analysis
  • Removing a narrator's voice from a stereo recording
  • Experimenting with remix or mashup source material

How to use it

  1. 1Upload a stereo audio file — mono files can't be processed, since separation relies on stereo channel differences
  2. 2Choose Remove Vocals (karaoke) or Extract Vocals
  3. 3Preview the processed audio
  4. 4Download the result as a WAV file

Frequently asked questions

Why does this need a stereo file?

The technique cancels out audio that's identical in both channels (typically the center-panned vocal) — a mono file has no channel difference to work with.

Will this sound as clean as a real AI vocal remover?

It's a phase-cancellation technique, not a neural source-separation model — it works well on tracks with a clearly centered vocal, but bass and drums are often centered too and get reduced along with the vocal.

Does it work on any song?

Results vary — songs with hard-panned instruments and a dead-center vocal work best; heavily processed or non-center-panned vocals separate less cleanly.

Is my audio uploaded anywhere?

No — all processing happens locally in your browser.