Free Online Audio Normalizer

Match the perceived volume of music, voice, and other audio. Pick a simple target or fine-tune normalization with advanced controls.

Drop an audio file here

or click to choose · MP3, WAV, M4A, AAC, FLAC, OGG, OPUS, or WebM · 50 MB maximum

Original audio

Normalized audio

Loudness target Output format

More normalization controls

Method Integrated target (LUFS) Output format Maximum true peak (dBTP) Loudness range (LU) Lossy bitrate Only lower audio; never amplify Preserve original loudness range

EBU R128 measures perceived loudness and uses two-pass normalization. RMS and peak use different level targets. The true-peak limit helps preserve headroom.

Result

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Your file is uploaded temporarily for processing on APGQ and is automatically deleted after 30 minutes. The input limit is 50 MB. Powered by ffmpeg-normalize and FFmpeg. ffmpeg-normalize.