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 OmniTools, a growing platform of 131+ 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. Upload your file by clicking the upload area or dragging it in.
- 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.