About the Volume Booster
The Volume Booster is a free online tool that lets you increase the loudness of an audio file with gain control. With it you can edit and convert audio without uploads or installing software, there's nothing to install and no account to create. Just open the tool, do what you need, and you're done.
It's part of the Audio collection on Toolzy, a growing platform of 135+ free, privacy-first tools built for speed and a great experience on every device.
Also known as: louder, gain, amplify.
Why use the Volume Booster?
- On-device processing, private by design
- Supports popular audio formats
- No sign-up, no watermark
- Works across all devices
When to use it
- Trimming a voice note or track
- Converting audio before sharing
- Preparing clips for a podcast
How to use the Volume Booster
- Open the Volume Booster. Open the Volume Booster on this page, there is nothing to install and no account needed.
- Add your input. Add your file by clicking the upload area or dragging it in. It is read on your device, not uploaded.
- Adjust options. Choose any options you need, the Volume Booster updates instantly.
- Get your result. Click the action button to download or copy your result. It is 100% free.