Normalize Audio OnlineLoudness normalization to LUFS, with peak control.

Bring songs, podcasts and voice-overs to the loudness a platform expects, measured in LUFS the way streaming services and broadcasters do.
A true-peak limiter keeps peaks under the ceiling, and the result is measured again before you download it.

Any LUFS targetTrue-peak limiterWAV, MP3, AAC

No sign-up No upload No watermark

Measure loudness to EBU R128

Drop an audio or video file, or measure a microphone or a browser tab live.

WAV, MP3, AAC, FLAC, OGG, MP4, MOV, WebM, MKV · mono, stereo and 5.1 · hours long is fine

Or try an example

Your files never leave this device: measuring and saving happen in your browser.

THREE SIMPLE STEPS

How to use the Normalize Audio

Add a file

Drop an audio file or a video; the meter measures its loudness and peaks.

Pick the target

Choose a platform or standard, or type your own LUFS and peak ceiling.

Normalize and download

Click Normalize: the file is adjusted, limited, measured again and saved as WAV, MP3 or AAC.

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Pay as you go

$1 in free credits for eligible new accounts. No card needed. Generators have separate account and credit requirements. The loudness meter is free.

Normalize Audio FAQ

What does normalizing audio do?

It turns the whole file up or down so its integrated loudness (LUFS) matches a target. A true-peak limiter catches the few peaks that would otherwise go over the ceiling.

Which LUFS should I normalize to?

About −14 LUFS for music streaming, −16 LUFS for stereo podcasts (−19 for mono), −23 LUFS for EBU R128 broadcast and −24 LKFS for US television.

Is peak normalization the same?

No. Peak normalization only sets the loudest sample, so two files can sound very different. Loudness normalization matches how loud they sound.

Is it free and private?

Yes. No sign-up and no watermark; the file is processed in your browser and never uploaded.

Will it change the sound?

Only the level changes, unless peaks reach the ceiling: then the limiter turns those moments down by a few dB at most. Choose “Gain only” to avoid any limiting.

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