Overview
Make quiet recordings, podcast episodes, and music tracks instantly louder with our free Audio Volume Booster. Upload an MP3 or WAV file, slide the booster from 100% up to 300%, and download a louder version — all processed in your browser, no upload to a third-party server.
Step-by-Step Guide
- 1Drag an MP3 or WAV file into the upload zone, or click to browse.
- 2Drag the volume slider to your desired boost level (up to 300%).
- 3Click Boost Volume and wait a moment while the audio is processed.
- 4Click Download Boosted Audio to save the louder file to your device.