Volume Booster Pro

Make any video or music louder — up to 400% — without distortion. • Volume boost 0–400% on YouTube, Twitch and any website with audio or video • Voice boost — clearer speech over background music and noise • Bass boost with 5 levels • Soften loud sounds — evens out sudden loud moments and ads • Balance, mono and 8D sound • Recognize the song playing in a tab • Works in fullscreen • Light and dark themes No ads, no accounts, no tracking. All sound processing happens locally in your browser.