Volume Booster

Boost any video or audio beyond the normal volume limit — up to 600%.

Volume Booster lets you increase the volume of any video or audio on any webpage beyond the normal 100% limit, up to 600%. This is, and will always be, completely free and with no ads. How it works Open any webpage with video or audio content, click the extension icon, and use the slider or preset buttons to boost the volume. The boost is applied instantly to all media elements on the page. Features Boost volume up to 600% on any website. Works with all video and audio elements, including those inside shadow DOM. Simple slider control with preset buttons for 100%, 200%, 400%, and MAX. Real-time status showing how many media elements are on the page. Lightweight with no account or sign-in required. No data collected, no external connections, everything runs locally in your browser. Who is it for? Anyone who finds their laptop speakers too quiet, needs extra volume for soft spoken videos, podcasts, or conference calls, or wants to boost audio on sites that cap their volume too low.