Streaming Loudness Auditor

Drag and drop your master to calculate its LUFS and True Peak securely in your browser. See exactly how Spotify, Apple Music, and YouTube will alter your track.

Drop your Mastered Audio Here

Works entirely locally in your browser. We never upload your unreleased music to any servers.

Estimated LUFS (Int)

-0.0 LUFS

True Peak (Max)

-0.0 dB

Streaming Platform Normalization

Spotify

Target: -14 LUFS

-0.0 dB

Apple Music

Target: -16 LUFS

-0.0 dB

YouTube

Target: -14 LUFS

-0.0 dB

Note: A negative number means the platform will turn your track DOWN by that many decibels so it matches other songs. This is normal for modern loud masters! If your True Peak is above -1.0 dB, Spotify may also apply a harsh limiter if the user has "Loud" normalization turned on in their settings.