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Lower the volume of any audio file to a precise percentage.
Your audio never leaves your browser. All processing uses the Web Audio API locally.
Drop an audio file to reduce volume
or click to browse — MP3, WAV, OGG, AAC, FLAC, M4A
Upload your audio file
Click 'Choose File' or drag and drop your audio onto the upload area.
Set the output volume percentage
Drag the slider to choose a target volume from 5% to 95% of the original. 50% is half the original volume.
Click Reduce Volume
Hit the Reduce Volume button. The tool scales down every sample to the chosen percentage.
Download the quieter WAV
Click Download to save the reduced-volume audio as a lossless WAV file.