Free online mastering
Upload a mix and hear it mastered in about a minute. No account needed.
Up to 90 MB. Your mix is deleted after 24 hours, or moves into your account if you sign up.
What it does
The mix is cleaned up below the audible range, balanced toward a natural tonal curve, compressed only if it needs it, and brought to −14 LUFS, the level Spotify, YouTube and Tidal play at, with true peaks kept under −1.2 dBTP so it doesn't distort on any service.