Skip to content
Cusmize logo

Key Features

  • Boost browser tab volume
  • Helpful for quiet content
  • Simple slider control
  • No account required
  • Local-only preferences

Install in three steps

  1. 1

    Open the Chrome Web Store listing and click Add to Chrome.

  2. 2

    Confirm the install prompt in your browser.

  3. 3

    Pin the extension and adjust settings from the toolbar menu.

All Cusmize products

Browse extensions, apps, and tools.

Extension FAQ

Installation help and troubleshooting.

Ready to try Sound Booster?

Free to install. No account required. Settings stay on your device.

Install from Chrome Web Store