Audio tool
Loudness Mastering
Smooth your audio file in the browser toward about -14 LUFS while keeping the True Peak below -1 dBTP.
Your file stays local. Processing runs entirely in the browser through FFmpeg wasm.
Choose audio file
Target values
Target: -14 LUFS integrated loudness, with True Peak capped at -1 dBTP.
The output is downloaded in a matching container where possible so it can be used right away.
Choose an audio file to start mastering.