SoundBoost
SoundBoost is an online AI mastering workspace that helps musicians and producers polish songs for release. Upload a WAV or MP3, describe the sound you want, choose a mastering profile, or provide a reference track to guide the result.
Key capabilities
- Prompt-guided and reference-based music mastering
- Automatic loudness, dynamics, tone, warmth, and stereo optimization
- A/B comparison and revision controls
- Vocal removal and multi-instrument stem separation
- Audio conversion, LUFS analysis, metadata editing, and mobile access
Best for
Independent musicians, producers, remixers, podcasters, and creators preparing audio for streaming platforms.
Pricing note
SoundBoost offers free previews and browser utilities alongside paid mastering features. Verify current quotas and export options on the official website.

