Volume Booster
Increase the volume of your audio files by up to 5x. Preview the boosted audio in real-time before downloading.
1x5x
Preview
Preview uses the current boost level in real-time
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Upload an audio file to get started
About Volume Booster
This tool increases the volume of your audio files using the Web Audio API. All processing happens locally in your browser — your files are never uploaded.
How to Use
- Upload an audio file (MP3, WAV, M4A, or WebM)
- Adjust the boost level using the slider (1x to 5x)
- Preview the boosted audio in real-time
- Download the permanently boosted audio file as WAV