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Stem splitter

AI Stem Splitter for Producers and DJs

Split a full mix into clean, usable stems in about 90 seconds. Built for remixes, mashups, sampling, and DJ sets. Free preview — pay only when you download.

Split a TrackView Pricing
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 the track

Full-quality files welcome: WAV, FLAC, MP3, M4A.

2

AI splits the stems

Vocals, drums, bass, and other, each as its own file.

3

Audition, then download

Preview every stem free. Unlock lossless downloads with credits.

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.

Made for heavy use

Priority queue for paid jobs and batch-friendly pricing, so weekend prep doesn't mean waiting in line.

Quality that survives a club system

Minimal bleed and artifacts, even on dense electronic mixes.

Lossless where it counts

WAV and FLAC downloads that hold up to pitching, warping, and mastering chains.

Credits never expire

Buy a pack, use it whenever. No subscription, no monthly drain.

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 splitter is built as a real tool page

StemSlice is designed as a working AI stem splitter, 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 splitter

This workflow is useful for DJs, producers, beat makers, mashup editors, and working musicians. 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 full mixes into clean, auditionable stems without installing desktop software. 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 splitter

Typical use cases include club edits, live mashups, set preparation, sample chopping, remix competitions, and rebuilding arrangements inside a DAW. 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.

What's the difference between a stem splitter and a stem separator?

None — they're synonyms. Both split a song into individual tracks like vocals, drums, and bass.

Is the stem splitter free?

Previews are free (3 uploads a day). Full-quality downloads cost 1 credit per song, with packs from $4.9. No subscription required.

Can I use the stems in my DJ sets and remixes?

Plenty of DJs and producers do exactly that. Keep in mind the stems still belong to the original rights holders — commercial releases need permission.

How many stems does it produce?

Four: vocals, drums, bass, and other instruments.

Does it handle long files?

Free tier covers songs up to 6 minutes. Paid users can split tracks up to 20 minutes and 500MB.

How fast is it?

Around 90 seconds for a typical song; paid jobs skip the queue.

What happens to my uploaded tracks?

They're encrypted in storage and permanently deleted 24 hours later. Nothing is shared or made public.

Related toolsStem SeparatorAcapella ExtractorVocal RemoverDrum Remover

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