StemSlice logoStemSlice

Free AI stem separator and vocal remover

Split Any Song Into Stems with AI

Upload a track and get clean vocals, drums, bass, and instruments in about a minute. Free to try — no account, no software, no watermark on previews.

Upload a SongHear Demo Stems
30MBfree upload
30 secfree preview
24hauto-delete

Drop an audio file here

MP3, WAV, FLAC, M4A, AAC, or OGG. Free tier supports 30MB and 6 minutes. Paid jobs support 500MB and 20 minutes.

Separation job

Outputs vocals, drums, bass, and other.

Uploads go to R2, processing runs through Replicate Demucs, and downloads unlock after sign-in.

Vocals preview30s free
1

Upload your song

Drag in an MP3, WAV, FLAC, or M4A. No sign-up needed.

2

AI separates the stems

Our model isolates vocals, drums, bass, and other instruments automatically.

3

Preview and download

Listen free, then grab the tracks you need in studio quality.

Hear the separation wall

These are self-made demo clips from original or royalty-cleared material. User uploads are private and never published.

Built for clean stems and clear rights

StemSlice keeps the page useful for casual singers and serious producers without turning every visitor into a subscriber.

Studio-grade separation

Built on a latest-generation AI model, not the decade-old phase-cancellation tricks. You hear the difference on dense mixes.

Four true stems

Vocals, drums, bass, and everything else, as separate files you can drop straight into a DAW.

Fast

A 3-minute song finishes in about 90 seconds.

Private by default

Your files are encrypted in storage and permanently deleted after 24 hours. We never listen, share, or publish your uploads.

Works everywhere

Runs in your browser on phone, tablet, or desktop. Nothing to install.

Everything to know before you upload

Practical details about quality, formats, privacy, credits, and legal use, written for people comparing stem separation tools before processing real music.

Why this AI stem separator and vocal remover is built as a real tool page

StemSlice is designed as a working AI stem separator and vocal remover, not a thin landing page that sends you somewhere else after the headline. The upload panel, preview player, pricing logic, privacy notice, FAQ, comparison material, and internal tool links all live on the same page because the user intent is practical. People searching this phrase usually have a file ready, a concrete job in mind, and very little patience for account walls. The page therefore starts with the tool, explains the limits in plain language, and keeps the surrounding copy focused on decisions that matter before uploading: supported formats, preview length, file retention, download quality, legal responsibility, and when credits are required.

Who gets the most value from AI stem separator and vocal remover

This workflow is useful for singers, remixers, DJs, producers, karaoke hosts, and casual listeners. A casual visitor can upload a song, hear whether the separation is good enough, and leave without creating an account. A more serious creator can use the same result to decide whether the stems are worth unlocking. That split is intentional: free preview reduces risk, while paid downloads are reserved for moments where quality matters. StemSlice avoids subscriptions for this reason. Most users do not separate songs every day, so one-time credits that do not expire fit the actual behavior of karaoke makers, remixers, cover singers, DJs, teachers, and short-form video creators better than monthly minutes that reset.

What happens from upload to preview

The upload flow is built around a simple promise: split any uploaded song into vocals, drums, bass, and other instruments while keeping uploads private and temporary. Free users can upload MP3, WAV, FLAC, M4A, AAC, or OGG files up to 30MB and 6 minutes, with 3 free processing attempts per day. Paid jobs support files up to 500MB and 20 minutes. After the browser uploads the file, the separation job runs asynchronously and the page polls for status instead of making the user wait on a frozen screen. Once stems are ready, each track can be auditioned in the browser with a waveform preview. Free preview is limited to 30 seconds, which is enough to judge bleed, artifacts, timing, and usefulness before spending a credit.

Output quality, formats, and download rules

Every completed job targets four core stems: vocals, drums, bass, and other. That makes the result more flexible than a two-track vocal remover because the drums and bass can be muted, sampled, studied, or rebuilt separately. Full downloads are gated behind 1 credit per song and are intended to include WAV, FLAC, or 320kbps MP3 output without a watermark. Free users can still use the tool for evaluation and sharing through a low-resolution 128kbps watermarked instrumental path. This keeps the free tier useful without giving away the highest-value files. Failed processing jobs should not consume credits, and unlocked downloads remain tied to the private job rather than being published as public result pages.

Privacy and rights handling

StemSlice treats uploaded music as private user content. Source files and generated stems are not added to the public demo wall, not indexed as separate result pages, and not reused as marketing material. The intended storage policy is short-lived: uploads and results expire after 24 hours through object storage lifecycle rules with a cleanup cron as a fallback. The legal rule is also simple: the separation tool can help you hear or prepare stems, but extracted material still belongs to the original rights holders. Personal practice, study, and private experimentation are different from commercial releases, public distribution, or monetized remixes. Users are responsible for getting permission when the source recording requires it.

Common ways to use AI stem separator and vocal remover

Typical use cases include remix drafts, karaoke backing tracks, vocal study, sampling, mashups, practice loops, and quick arrangement analysis. A singer can make a quick karaoke track and rehearse a difficult section. A producer can lift a vocal hook, check whether a bass line conflicts with a new beat, or study how drums are arranged under a chorus. A DJ can test whether a transition or mashup idea is worth finishing. A teacher can demonstrate how a dense mix is built without asking students to install a DAW. A content creator can preview whether the instrumental is clean enough for a short clip before unlocking the full result. The best source files are studio recordings with clear vocals and reasonable bitrate; live recordings, heavy reverb, crowd noise, and very compressed files can produce more artifacts.

Credits that do not expire

1 credit unlocks one full 4-stem download. Previewing, listening, and failed processing jobs do not consume credits.

FAQ

Answers for free limits, formats, privacy, copyright, and download quality.

Is StemSlice free?

Yes. You can upload up to 3 songs a day and preview every stem free. Full-quality, watermark-free downloads use credits, which start at $4.9 and never expire.

What audio formats are supported?

Upload MP3, WAV, FLAC, M4A, AAC, or OGG. Download stems as WAV, FLAC, or 320kbps MP3.

How long does processing take?

About 90 seconds for a typical 3-minute song, depending on queue length.

Is it legal to separate a copyrighted song?

Using a stem separator as a tool is legal. However, extracted stems remain the property of the original rights holders — you need their permission for commercial use or public release.

Do I need to create an account?

No. Anonymous users get the full free tier. An account is only needed to keep your credit balance and download history.

What happens to my files?

Everything you upload, and every stem we generate, is automatically and permanently deleted 24 hours after processing.

How is this different from a vocal remover?

A vocal remover gives you two tracks (voice + instrumental). A stem separator gives you four or more, so you can remix, sample, or practice with far more control.

Related toolsStem SeparatorStem SplitterAcapella ExtractorVocal RemoverAcapella MakerKaraoke Maker

Extracted stems remain the property of the original rights holders. Commercial use requires their permission.