Free tier: up to 3 splits per day for files up to 2 minutes and 50 MB. Paid credits: Starter $4.90 (20 minutes), Plus $9.90 (50 minutes), Pro $19.00 (120 minutes). Credits never expire and are billed per minute used (rounded up).
Free: all tools with no sign-up or watermark on audio. Pro: $4.99/month, $1.99 for 7-day pass, or yearly plan (price not specified). Pro adds HQ split, removes watermark from videos, and increases transcription limit from 10 to 60 per hour.
Key features
No signup required for free tier
In-browser stem preview before downloading
Supports MP3, WAV, M4A, and AAC formats
Automatic file deletion after approximately one hour
Usage metered fairly by processing time
Demucs htdemucs AI model for source separation
Privacy-minded with no account library
Free tier up to 2 minutes with 3 daily splits per IP
Split songs into voice, drums, bass and other parts
Slow down songs to 50% speed without changing pitch
Change song key by up to 12 semitones
Loop sections and build speed for practice
Transcribe audio and generate subtitles
Identify song name and show lyrics
Mix parts with individual volume controls
Works on phone and desktop in browser with no app
What makes it different
No account or signup required to remove vocals
Vocal and instrumental stems remain perfectly aligned for easy switching
Fast processing with no desktop installation or configuration needed
Truly free tier with no hidden checkout or trial card required
All processing runs on your device with no file upload to servers
Completely free with no sign-up or watermark on audio
Uses open-source Meta HTDemucs model for splitting
Handles files up to 500MB and 20 minutes long
Works instantly in browser without re-encoding video