🔊Volume Booster
Make quiet audio loud, safely. Free, private, no signup — files never leave your browser.
Whisper-quiet to room-filling.
Up to 3x louder with distortion protection — boosted locally, never uploaded.
3x
max boost
with soft-clip safety
0
uploads
100% in-browser
Live
preview
hear before saving
Free
forever
no signup
How to use Volume Booster
Too quiet to hear? Boost any audio up to 3x with soft-clip protection that prevents harsh distortion. Preview the result, then download a louder WAV. All local, all free.
- 1Drop a quiet audio file (MP3, WAV, M4A).
- 2Set the boost from 1x to 3x.
- 3Preview and download the louder WAV.
Use cases
Quiet voice notes
Far-mic recordings finally audible.
Old recordings
Lift faded tapes and low-ripped tracks.
Video audio rescue
Boost extracted audio before editing.
What volume booster does
- ✓Gain from 1x to 3x with a simple slider.
- ✓Soft-clip protection prevents harsh distortion.
- ✓Instant preview of the boosted result.
- ✓Full-quality WAV download.
- ✓Private: no uploads, no accounts, no watermarks.
Specs
- Speed
- Instant, on your device
- Input
- MP3, WAV, M4A
- Output
- Boosted WAV
- Privacy
- Browser DSP, zero uploads
- Cost
- Free, unlimited, no signup
Frequently asked questions
Is my audio uploaded anywhere?
No. Boosting renders 100% in your browser. Your file never leaves your device.
Will it distort?
Soft-clip protection rounds off peaks smoothly, so even 3x stays listenable.
How loud can it go?
Up to 3x gain — enough to rescue whisper-quiet recordings.
What format is the download?
A full-quality WAV at your chosen boost.