What loudness does Spotify use?

A common streaming reference is around -14 LUFS integrated, although each platform may adjust playback.

Is normalizing the same as mastering?

No. Normalizing sets level; mastering also handles tone, dynamics, peaks and consistency.

Yes. It is useful to check whether your final level sits in a reasonable range.

Online audio tool

Stop your song from landing too quiet or too aggressive. Normalize loudness with practical targets for each platform.

Target search: normalize audio

Upload your song or mix.

Pick the target platform.

Compare the level before and after.

Download a version ready to share or review.