Online AI mastering for finished songs with free preview and AI-powered adjustment
Stage
Startup
Not given
Founded
2026
Not given
Based in
PH
Not given
Pricing model
Freemium
Freemium
Pricing
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.
Free: 30-second preview, 10 revisions with free account, no full-track download. Unlimited: $14/month or $43/year ($3.58/month), unlimited full-track exports, 20 revisions per track. Unlimited Plus: $22/month or $65/year ($5.42/month), everything in Unlimited plus unlimited revisions, full-length pr
Key features
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
Free 30-second mastered preview without signup
Eleven mastering controls plus intensity setting and six-band EQ
Six engineer styles as different starting points
Plain-language prompt mastering with AI descriptions
New version created for each adjustment, comparable while playing
Batch mastering up to 10 tracks with Unlimited Plus
Downloads as WAV 24-bit or MP3 320 kbps
Accepts WAV, MP3, FLAC, AIFF, M4A, OGG files up to 1.5 GB and 22:30 long
Priority render queue with Unlimited Plus plan
Full-length preview available with Unlimited Plus
What makes it different
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
Free preview with no account required before paying
AI-powered mastering styles as alternatives to hiring an engineer
Plain-language adjustment descriptions instead of technical audio parameters
Supports mastering of AI-generated songs
Every revision saved and comparable while playing the track
Extractune
MasteringKit