Normalize Audio
Even out loudness with EBU R128 normalization to streaming, podcast or broadcast targets.
Add audio
MP3, WAV, M4A, OGG, FLAC, OPUS — or a video to pull audio from.
Choose an output
Even out loudness with EBU R128 normalization to streaming, podcast or broadcast targets.
Fine-tune
Optional — sensible defaults are already set.
About Normalize Audio
Loudness normalization measures how loud a recording sounds to the ear, in LUFS, and adjusts it to a target so it sits at the same level as other content on a platform. This tool uses FFmpeg's EBU R128 loudnorm filter with a -1.5 dBTP true-peak ceiling to avoid clipping.
When it helps
- Matching podcast episodes to the roughly -16 LUFS level podcast apps expect
- Preparing music for Spotify or YouTube, which play back around -14 LUFS
- Delivering audio for broadcast at the EBU R128 standard of -23 LUFS
- Making a set of tracks or voice clips from different sources play at a consistent volume
Tips
- Pick the target for where the audio will end up: -14 for streaming music and YouTube, -16 for stereo podcasts, -19 for mono podcasts, -23 for broadcast.
- Normalizing very quiet, noisy recordings up to -14 also raises the noise. Run Noise Reduction first if hiss is a problem.
- Choose WAV or FLAC output if you'll keep editing; MP3, M4A and OGG use the bitrate slider.
Good to know
Quick answers about normalize audio in your browser.
Around -16 LUFS for stereo is the common recommendation for Apple Podcasts and most apps, and about -19 LUFS for mono files.
Peak normalization only raises the level until the loudest sample hits a limit. Loudness normalization targets perceived volume, so a quiet podcast and a dense rock track end up sounding equally loud.
Yes. There is no sign-up, no watermark and no limit on how many files you process.
No. Files are read and processed locally in your browser, so they never leave your device.
Related tools
Part of the Audio Effects & Tools collection.