Increase or decrease the volume of any audio file. Pick a preset level or set a custom percentage from 10% to 500% — all processing happens locally in your browser.
Upload File
Upload Audio File
Drag & drop or click to browse
MP3, WAV, OGG, M4A, AAC, WebM, FLAC · Max 200 MB
Upload your audio file (MP3, WAV, OGG, M4A, AAC, WebM, or FLAC).
Preview the original audio using the built-in player.
Select a volume preset (50%, 100%, 150%, 200%, 300%) or drag the custom slider to any level from 10% to 500%.
Choose your output format: WAV (lossless) or MP3.
Click "Boost Volume" to process the audio entirely in your browser.
Preview the processed audio, then download it.