← All extensions


Sound Booster with sample content.
Free High Quality Sound Booster
Adjust the volume and tone of audio playing in a browser tab.

What it does
- Raise tab volume up to 600%.
- Adjust six equalizer bands or choose a preset.
- Save audio settings for individual websites.
How to use it
- Play audio in a tab and open the extension.
- Select Start boosting, then adjust the volume.
- Choose Stop to return to normal playback.
Installation
Install in Chrome or Brave
ZIP downloads use the browser’s Developer mode.
- Download the ZIP and extract it into a folder you will keep.
- Enter
chrome://extensionsorbrave://extensionsin the address bar. - Turn on Developer mode, select Load unpacked, and choose the folder containing
manifest.json. - Pin the extension from the toolbar menu, open it, and select Get started.
Keep the folder in place. To update, replace its files with the new version and select Reload on the browser’s extensions page.
Need help? Visit support.