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AI Vocal Isolator

Commercial use OK 380+ models No watermark No sign-up needed
Model:
+ GPT-5, Claude, Gemini

Drag and drop an audio file here, or click to browse

Supports MP3, WAV, FLAC, OGG up to 50MB

No file selected
Upload a song to separate it into individual stems: vocals, drums, bass, and other (instruments). Each stem gets its own player and download button.
~1,000 tokens base + ~50/sec of audio (~3K for a 1-min track)
Separated Stems

What You Can Do

Extract Vocals

Isolate the vocal track from any song. Perfect for creating acapellas, remixes, or karaoke versions.

Get Instrumentals

Remove vocals to get a clean instrumental track. Use it for background music, covers, or practice sessions.

4 Separate Stems

Split into vocals, drums, bass, and other instruments. Each stem gets its own audio player and download button.

Multiple Formats

Upload MP3, WAV, FLAC, or OGG files up to 50MB. Works with any audio format and quality level.

Fast Processing

AI-powered stem separation runs on our GPUs. Most tracks are processed in under a minute.

Download Each Stem

Every separated stem is available for individual download. Get just the vocals, just the drums, or all four stems.

How to Use

Upload your audio

Drag and drop an audio file or click to browse. Supports MP3, WAV, FLAC, and OGG up to 50MB.

Click Remove Vocals

Hit the button and our AI will analyze the audio and separate it into individual stems using deep learning.

Preview each stem

Listen to the separated vocals, drums, bass, and other instruments individually. Each stem has its own audio player.

Download your stems

Download any or all of the separated stems. Use them for remixes, karaoke, music production, or practice.

Token Costs

ActionTokens per useOutput
Stem Separation~50/sec4 stems: vocals, drums, bass, other

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Isolate vocals from any song with AI. Get the acapella, leave the music. Demucs MIT, browser-only, no upload limits.

How to Use AI Vocal Isolator

1
Enter your input

Type text, upload a file, or describe what you want. No account needed.

2
Click generate

Our AI processes your request in seconds using the best open-source models.

3
Download & share

Download, copy, or share your result. Free for personal and commercial use.

Use this tool via API

Automate this tool from your own code. OpenAI-compatible REST endpoint, Bearer-token auth, no extra SDK required. Token costs match the web interface.

API Documentation Get API Key 
curl -X POST https://api.free.ai/v1/music/generate/ \
  -H "Authorization: Bearer sk-free-..." \
  -H "Content-Type: application/json" \
  -d '{"prompt": "upbeat synthwave instrumental", "duration": 30}'

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Vocal Remover

AI Vocal Isolator — FAQ

It pulls the vocal track — singing, speech, or any voice — out of any song while leaving the music behind. The output is a clean acapella WAV. Same Demucs source-separation model that powers Moises and Splitter.ai.

/music/vocal-remover/ keeps the music + drops the vocals (gives you an instrumental / karaoke track). AI Vocal Isolator does the opposite: keeps the vocals + drops the music (gives you an acapella). Same underlying model, opposite stem.

Remix it over a new beat, layer harmonies in a DAW, sample for hip-hop production, transcribe lyrics, train a voice clone, or just listen to the raw vocal performance without backing.

Very clean on dry, center-panned vocals. Some residual reverb tail or bleed when the vocal is drenched in delay or hard-panned. Live recordings are weaker than studio masters because the vocal mic picks up the room sound.

MP3, WAV, M4A, FLAC, OGG, AIFF, and any common audio format. Max 50 MB upload (about a 5-minute 128 kbps MP3).

6-15 seconds per minute of audio on our A100. A 3-minute song completes in roughly 25-40 seconds.

Personal use (study, practice, fan remixes for non-commercial enjoyment) is generally fair-use OK. Distributing the isolated acapella, sampling it commercially, or publishing it on streaming platforms requires a sync or sample license. You're responsible.

~3,000 tokens per song, flat rate (per-request, not per-second). Free daily-pool tokens cover anonymous use; signed-in users get 5K/day.

Not in AI Vocal Isolator — pipe the output to /music/pitch-changer/ to transpose ±12 semitones. Useful for matching a different key when remixing.

Same Demucs model = same quality. Moises is $4-12/month with a track quota. LALAL.AI is per-track. Free.ai is unlimited within the daily token pool, no subscription, no signup required.

Demucs is near-perfect but not perfect. Heavy reverb tails on the vocal sometimes get mistaken for music, and music that's closely tied to the vocal (e.g., orchestral swells under a sung note) can leak. For best results, start with the cleanest studio master you can find.

Yes — POST audio to /v1/audio/separate/ with `mode=vocals`. Returns a job_id you poll, plus the WAV URL when done. Docs at /api/.

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