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: 1 full master per day (no account needed), plus basic track analysis. Sign-up adds 3 bonus masters. Paid credits: 1 credit = €3, 3 credits = €7.50, 10 credits = €19, 30 credits = €39. One-time packs, no subscription.
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
Artifact cleanup for metallic ringing and watery noise
24 sound profiles for different music genres
True peak limiting at −1.0 dBTP
Before/after measurement report
Reference track matching
Album mode mastering
Support for long tracks up to 2 hours
Audio to text transcription with timecodes
Free daily basic track analysis
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
Free master every day without account signup
Transparent before/after reports with measurable metrics
No subscription required, credit-based pricing
Built specifically for Suno and AI-generated music
Preserves dynamics and stereo width during processing