Free tool

Free semi-mastering

Drop in a song up to 3:30. Get a streaming-ready MP3 in a minute. It all happens in your browser, so your file is never uploaded.

Choose your songWAV or MP3, up to 3:30

Where is it going?

This is my own music, or I have the rights to process it.

A semi-master uses one safe setup, not a human ear. It works best on a finished mix with headroom. Need a beat first? Browse the catalogue.