Browser FFmpeg recipe
Normalize Audio Online with FFmpeg
Create an MP3 with more consistent perceived loudness.
Command
Run this FFmpeg command
ffmpeg -i input.mp3 -af loudnorm=I=-16:TP=-1.5:LRA=11 -b:a 192k normalized.mp3When to use it
- podcasts
- voice recordings
- volume cleanup
How it works
- Upload the audio file.
- Run the loudness normalization filter.
- Download the normalized MP3.
Option reference
| Option | What it does |
|---|---|
loudnorm | Applies loudness normalization. |
I=-16 | Targets integrated loudness around -16 LUFS. |
TP=-1.5 | Sets a true peak target. |
Practical notes
- Single-pass loudnorm is convenient but less exact than two-pass desktop workflows.
- Use volume adjustment for a simple gain change instead.
FAQ
Is this good for podcasts?
It is a practical browser preset for podcast-style loudness cleanup.
Will normalization fix noisy audio?
No. It changes loudness, not background noise.