Free Online Mastering
Free Online Mastering — master your track for free
Upload your track and get a release-ready master in seconds — for free. Professional loudness for Spotify, Apple Music and YouTube, True Peak limiting, no signup to try and no DAW.
Master your track free →What you get for free
- Free masters every month — no card, no signup required to try.
- Same engine as paid — 23 presets, True Peak per ITU-R BS.1770-5.
- Platform-correct loudness — Spotify, Apple Music, YouTube and more.
- In your browser — nothing to install, no DAW.
How it works — 3 steps
1. Upload
Drop a WAV, FLAC or MP3. No signup to try.
2. Master free
Loudness, dynamics, tone and True Peak — automatically.
3. Download
A release-ready file at platform-correct LUFS. Instant.
Pro quality, even on the free tier
The free tier uses the same mastering engine as paid: 23 genre- and character-aware presets, True Peak limiting per ITU-R BS.1770-5, LRA control and 16 platform LUFS targets. Need more masters or advanced processing? Paid packs unlock them — but you can get a great result for free first.
Working with AI-generated music? See how to remove AI artifacts before mastering.
Read also: AI mastering online · Remove AI artifacts · What is AI mastering · LUFS analyzer