Product: Quantara is a browser-based music mastering tool that processes audio on the user's device using deterministic DSP.
Mastering controls: The site describes a 15-stage adjustable mastering chain with A/B bypass.
Genre presets: The site lists 33 genre starting points across seven categories.
Metering: Live metering includes BS.1770 loudness in LUFS, true-peak detection, spectrum, waveform, and gain reduction.
Reference matching: Users on Pro and above can upload a commercial reference track to match tonal balance, dynamics, and loudness.
File limits: The studio accepts WAV, FLAC, MP3, M4A, AIFF, and OGG files up to 500 MB.
Exports: The site lists 16-bit and 24-bit WAV exports, plus 32-bit float WAV on the Label plan.
API: The Label plan includes REST API access with personal API keys for automating mastering workflows.
Privacy: The privacy policy says mastering audio is processed locally and is not transmitted to or stored on Quantara's servers.
Account security: The privacy policy says account passwords are stored as salted hashes and two-factor authentication is available.
Payment handling: The privacy policy says Stripe processes payments and Quantara does not see or store card numbers.
Support: The contact page directs technical, billing, and account-access questions to [email protected] and says most messages receive a reply within 24 hours on business days.
Intended users: The site describes the product as built for producers and highlights workflows for AI music creators and DAW users.
Price from: Free

Where it ranks on Freedom251

Best AI Music Mastering Software in 2026#15 of 50

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Sources

quantaramusic.com· checked 9 Oct 2026
quantaramusic.com/privacy· checked 9 Oct 2026
quantaramusic.com/contact· checked 9 Oct 2026