Vocal Remover
Vocal Remover cancels whatever sits in the centre of the stereo image, which on most recordings is the lead vocal. It is a fast way to make a rough backing track. It is not AI separation, and this page is explicit about what it can and cannot do.
Add your audio file
The file is read by your browser and stays on your device — there is no upload step.
Your audio
The work runs in this tab. Nothing is sent anywhere, and the download is generated locally.
Output —Load audio
Your track stays on your device.
The processing runs in this tab. That is also why it is phase cancellation rather than a trained separation model — the good models need a server with a GPU, and this needs two channels and some arithmetic.
Learn how files are processed →- Requires
- A stereo file — mono cannot work
- Method
- Centre-channel phase cancellation
- Removes
- Whatever is centred, vocal or not
- Output
- Same format as the source
How to use Vocal Remover
- 01Upload
Load a stereo track
The file must be stereo — the technique works on the difference between the two channels.
- 02Customize
Set the strength
Full cancellation removes the most vocal and the most backing. Less leaves more of both.
- 03Process
Export
Download the result and listen on headphones before relying on it.
Why the result is never perfectly clean
Worth understanding before you judge the output — this is a limitation of the method, not of the tool.
Most vocals sit dead centre in a stereo mix, identically in both channels. Subtracting one channel from the other cancels anything centred — which is the vocal, and also the kick, snare and bass.
Reverb and delay on the voice are not centred, so they survive. You are left with a ghost of the vocal and a thinner backing track. A perfect separation is not possible from a finished stereo mix.
What kind of track works best
- Works well
Older, simply-mixed recordings with a dry centred vocal and clear stereo instruments.
- Works poorly
Modern heavily-produced tracks with wide vocal effects, doubled takes and stereo widening.
- Cannot work
Mono recordings. With one channel there is no difference to subtract, so the technique has nothing to work with.
What to expect in the result
The bass and kick get quieter — They are centred too, so they cancel along with the voice. The backing often sounds noticeably thinner.
A vocal ghost remains — Reverb tails and any non-centred vocal parts stay audible. Louder passages hide it; quiet passages expose it.
It may sound near-mono — The process collapses much of the stereo image, which is an unavoidable consequence of the method.
This is baked into the export
The cancellation is written into the exported audio and cannot be reversed.
Always export a copy — this is a tool you will want to try more than once on the same source.
Supported formats
- MP3
- WAV
- M4A
- OGG
- FLAC
- Maximum file size —
- bounded by your device's memory
- Processed by —
- FFmpeg (WebAssembly), on your device
Your file, and what the page does
Your file is never uploaded. Vocal Remover reads it into this browser tab and processes it with FFmpeg compiled to WebAssembly on your own device. There is no upload endpoint in the application and no copy on any server — closing the tab discards it.
That is also why processing takes longer here than on a site that uploads: your device is doing the work rather than a rack of servers. The trade is that the file never leaves it.
What the page does send or fetch
- The processing engine, once
- The first time you use any video or audio tool, the browser downloads the FFmpeg WebAssembly build (~30MB) from the jsDelivr CDN and reuses the cached copy afterwards. That is a file coming to you — no part of your own file is in the request.
- Ads on the page
- The site is funded by advertising, so the page loads Google AdSense. That carries the usual web basics — IP address, browser, referring page — as on any ad-supported site.
- An anonymous usage counter
- When Vocal Remover finishes we record that the tool ran, whether it succeeded and how long it took. No file data, no identifier, no cookie.
Your file is not on that list. How this works.
Frequently asked questions
In most stereo mixes the lead vocal is panned dead centre, meaning it is identical in the left and right channels. Subtracting one channel from the other cancels anything identical in both — the vocal disappears, and so does everything else that was centred.
Because they are usually centred as well. Kick, snare and bass sit in the middle of almost every mix, so they cancel along with the vocal. This is the fundamental limitation of the technique and no setting avoids it entirely — lowering the strength keeps more of them, at the cost of keeping more vocal.
Three common reasons: the vocal is not perfectly centred, it has stereo reverb or double-tracking that is different in each channel, or the file is mono to begin with. Reverb in particular survives, so you often get a track with no dry vocal but an audible ghost of it.
No. Mono means both channels are identical, so subtracting one from the other leaves silence. The tool checks for this and says so rather than handing back an empty file.
No. Trained separation models analyse the sound and reconstruct the parts individually, and they get much better results — they also need a server with a GPU. This runs in your browser in seconds and costs nothing, with the trade-offs described above.
Often yes for practice, rarely for performance. Test it on headphones; the artefacts are much more obvious there than on speakers.
Yes — Vocal Remover is completely free. There's no account, sign-up, watermark or limit.
No. It runs in any modern browser — Chrome, Edge, Safari, Firefox, Brave — with nothing to download or install.
Not sure this is what you need?
- Remove the vocal from a stereo songVocal Remover
- Change the key for a singerPitch Shift
- Reduce a frequency range insteadEqualizer
- You want the sound out of a videoExtract Audio
Need a backing track to practise over?
Load a stereo song and hear what centre cancellation gives you.
Edit any media with a right-click
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