Two stems at once
One pass yields both the vocal and instrumental tracks — preview and download each.
Smart source separation splits a song into instrumental and vocals — preview and download both stems, free and watermark-free.
Privacy-sensitive steps are processed in your browser, and data is destroyed when you close the page.
No 20- or 30-minute ceilings — clean, complete exports with no watermark or audio bumpers added.
Runs right in your desktop or mobile browser — no download needed.
Sign in with your WUJIEE account to use it for free, watermark-free.
Privacy-sensitive steps run in your browser, and data is destroyed when you close the page. Work on meeting recordings, interviews and personal voice notes with confidence.
One pass yields both the vocal and instrumental tracks — preview and download each.
Clean vocals and intact accompaniment, on par with professional desktop tools.
Privacy-sensitive steps are processed on-device and data is destroyed on page close; we never store your songs.
Sign in and upload a song (the first use takes a longer load)
Wait for separation to finish
Preview and download vocals / instrumental
A smart source-separation engine trained on large mix-and-stems datasets identifies the vocal and instrumental parts in the spectrum and rebuilds each as its own audio track — far cleaner than the old phase-inversion trick, so the instrumental stays intact.
Yes. Import the song and export the clean instrumental (vocals removed) and the acapella separately. Simple arrangements with centered vocals separate cleanest; dense mixes may leave faint traces.
No. WUJIEE Audio Tools exports with no watermark, no preview restriction and no length cap — completely free, great for covers and practice.
Separation is compute-heavy: a 4-minute song takes several minutes on a typical laptop — keep the tab open. WebGPU-capable browsers are much faster.
Yes. Privacy-sensitive steps are processed on-device, and your data is destroyed when you close the page; we never store your songs. The first use loads a few hundred MB of resources, cached by the browser afterwards.
13 online audio tools: convert, trim, denoise, separate vocals, transcribe speech and more — all in one place.
Browse all tools