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Normalization adjusts the volume of an audio file so its peak level reaches a reference point (usually -1 dBFS or 0 dBFS). This makes the audio as loud as possible without causing distortion.

LUFS (Loudness Units Full Scale) measures perceived loudness. Streaming platforms like Spotify (-14 LUFS), YouTube (-14 LUFS), and Apple Podcasts (-16 LUFS) normalize uploads to their target levels. Matching these targets avoids your content being turned down automatically.

You can boost by 1-20 dB. Note that increasing above 0 dBFS causes clipping distortion. The tool warns when boosting would exceed safe limits.

Clipping occurs when the audio signal exceeds 0 dBFS, causing distortion. Enable the limiter option to automatically prevent clipping while maximizing volume.

Yes. Upload multiple files and apply the same normalization settings to all of them in one operation.

Peak normalization sets the loudest moment to a reference level. RMS normalization targets the average loudness. LUFS is an advanced form of average normalization that correlates closely with human perception.