Audio loudness normalizer

Adjust an audio file toward your chosen integrated loudness target.

Free
No account
No watermark
Deleted after 15 minutes

Private: your files are deleted within 15 minutes, and you need no account.

Your result

Preview before you download

Add your file to begin. The result shows here.

Compare sound

This evens out loudness. It cannot fix sound that was already distorted when recorded, so listen before you publish.

Leveling every episode by hand?

Studio edits the whole video episode: retakes and pauses out, captions in, clips made.

Edit a full recording free

Working with a longer recording?

The free tools stop at 100 MB and 3 minutes. The Studio free plan takes recordings up to 2 GB and edits the whole thing.

Upload it to Studio free

00:20How it works

How to use the audio loudness normalizer

Add your fileDrop it in the box, paste it or browse. MP3, WAV, M4A, AAC and more.
Choose the loudnessSet the target loudness, then press Normalize loudness.
Preview and downloadPlay the result on the page, then save it. The download link works for 15 minutes.

00:30Good to know

Before you start

Which files can I use?

MP3, WAV, M4A, AAC, OGG, FLAC.

How big can my file be?

Each task takes up to 100 MB and 3 minutes of media. For a full recording, the Studio free plan takes files up to 2 GB.

What happens to my file?

Files are uploaded to our processing server. Inputs are deleted when processing finishes; downloads and any failed-task files are deleted after 15 minutes. No account is needed.

Is it free?

Yes. There is no account, nothing is added to your video, and you can run one task at a time.