Audio Volume Booster
Boost the volume of quiet audio files directly in your browser. Uses Web Audio API gain nodes to amplify the audio up to 4x (400%). Preview the boosted audio before downloading. Supports MP3 and WAV. No upload, no signup.
Updated June 2026
- 1Upload your audio file
- 2Set the volume boost
- 3Download the boosted audio
Drop your audio anywhere, click to browse
MP3, WAV, OGG, FLAC, AAC · Any format
How to Use Audio Volume Booster
- 1
Upload your audio file
Drag and drop your audio file into the upload area, or click to browse and select it.
- 2
Set the volume boost
Drag the gain slider to increase loudness.
- 3
Download the boosted audio
The louder file downloads automatically to your device.
Frequently Asked Questions
How much can I boost the audio volume?▼
What is audio clipping and how do I avoid it?▼
Can I preview the boosted audio before downloading?▼
What formats are supported?▼
Why might my audio be quiet in the first place?▼
How to use Audio Volume Booster
- 1
Upload your audio file
Drag and drop your audio file into the upload area, or click to browse and select it.
- 2
Set the volume boost
Drag the gain slider to increase loudness.
- 3
Download the boosted audio
The louder file downloads automatically to your device.
Frequently asked questions
Everything you need to know about audio volume booster.
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