Audio Volume Booster
Increase or reduce audio volume. Preview and save the result on your device.
Choose your audio
MP3, WAV, M4A or FLAC · up to 50 MiB and 5 minutes.
Processed at 44.1 kHz with up to two channels. MP3 export uses 192 kbps.
Percentages multiply amplitude, not perceived loudness.
Preview and download
Choose a file to adjust its volume and preview the result.
Make MP3 audio louder or quieter
Choose an audio file, adjust the volume, compare the original and adjusted sound, then download WAV or MP3. Processing stays in your browser; no account is required.
Peak protection limits amplification without compressing dynamics. It cannot repair existing distortion or guarantee a louder result for every recording.
This changes the whole file. To adjust vocals and accompaniment separately, use the vocal remover. Local vocal remover →