How to remove vocals from a song for free (AI, in your browser)
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Get a karaoke instrumental and a clean a cappella from any song — free, no sign-up, the file never leaves your device.
Want a karaoke version of a song, a clean a cappella for a remix, or just the beat to rap over? An AI vocal remover splits a finished mix into two files: the vocal and the instrumental. Here is how to do it for free in your browser.
Step by step
- Open the free PulSound vocal remover.
- Drop your song (MP3, WAV, M4A, OGG or FLAC, up to 15 minutes).
- The first time, the browser downloads the AI model (~64 MB). After that it starts at once.
- Wait for the progress bar. With a graphics card it takes about as long as the song.
- Listen to both results and press Download WAV for the vocal, the instrumental or both.
What you can do with it
| You need | Use |
|---|---|
| Karaoke / a backing track to sing over | Instrumental |
| A cappella for a remix or a mash-up | Vocal |
| Timed lyrics for a lyric video | In the studio: “Recognise lyrics (AI)” with “Separate the voice from the music first” |
| Practice: hear how the singer phrases a line | Vocal |
How good is it?
The tool uses Kim Vocal 2 — a UVR MDX-Net model by KimberleyJensen from Ultimate Vocal Remover, one of the most popular vocal models. Clear lead vocals separate very well. Harder cases: heavy reverb and echo, stacked backing vocals, and very dense mixes — some traces may stay in the other file. No vocal remover is perfect, so always listen before you publish.
Private and safe
- The song is processed on your own computer and is never uploaded.
- The model file is byte-identical to the official UVR release, and the browser checks its fingerprint every time before using it.
- Only use songs you have the rights to when you publish the result.
Speed tips
- Use the latest Chrome or Edge on a computer — they use the graphics card (WebGPU) and are many times faster.
- Without WebGPU (some phones and older browsers) it still works on the processor, but a 3-minute song can take 15–20 minutes. You can cancel at any time.
Did not work?
Most problems come from the browser or the device, not from your file. The quick fix: use the latest Chrome or Edge on a computer and refresh the page with Ctrl + F5. For everything else see the help page.