Normalize audio
Even out loudness to broadcast standard.
Drop files here
or click to browse - files stay on your device
Max file size: 300 MB
About this tool
Even out the loudness of an audio file so quiet parts are audible and loud parts don't clip. Uses EBU R128 loudness normalization - the same standard broadcasters use.
Features
- EBU R128 / loudnorm filter
- Targets -16 LUFS with -1.5 dBTP true peak (podcast-friendly)
- Outputs MP3 at 192 kbps
- Browser-only processing
How to use it
- Upload your audio.
- Click Normalize.
- Download the loudness-normalized MP3.
🔒 100% private
Everything happens inside your browser using JavaScript and WebAssembly. Your files are never uploaded to a server, never stored, and never seen by us.
Frequently asked questions
What target loudness should I use?
-16 LUFS is common for podcasts, -14 LUFS for streaming music, -23 LUFS for EU broadcast.