Sound Boost Pro - Audio Volume Amplifier

Boost audio up to 600% on any tab. One-click volume amplifier for YouTube, Spotify & all sites. Per-site memory, VU meter included.

Sound Boost Pro amplifies your browser audio up to 600% so you can make any video, music, or audio louder in seconds. Works on every website including YouTube, Spotify, Netflix, and more. Whether you need to increase volume on a quiet video, make YouTube louder, or boost audio on any tab, this sound booster extension gives you full control. Use the smooth slider or quick preset buttons to set your perfect volume level. Key features: - Amplify audio from 100% to 600% on any website - Per-site volume memory that remembers your settings - Quick preset buttons for instant 1x, 2x, 3x, 4x, and 6x boost - Real-time VU meter showing audio intensity - One-click toggle to enable or disable boosting - Lightweight and fast with zero impact on browsing speed - Works offline with no account required Sound Boost Pro uses advanced Web Audio API processing to increase video volume, enhance audio quality, and make sound louder across all your tabs. Perfect as a super volume booster for quiet laptops, low-volume videos, or anytime you need maximum audio power. Tab volume control made simple. Install now and never struggle with quiet audio again. SOUND BOOST PRO — PUSH YOUR BROWSER AUDIO PAST ITS LIMITS Some content is just too quiet. A softly narrated tutorial. A podcast recorded in a bedroom. A livestream with a low-gain microphone. Sound Boost Pro was built for exactly those moments — it amplifies any browser tab's audio output up to 6× (600%) using a precision gain stage, giving you clean, powerful sound without touching your OS volume. PLATFORM COVERAGE - YouTube (standard and Music) - Spotify Web Player - Twitch — live streams and VODs - Podcast and audiobook players - Any page with HTML5 audio or video - iframes and embedded media widgets SITE-LEVEL MEMORY - Flip "Remember for this site" and your boost level sticks to that domain - Next visit loads your saved setting automatically - Settings are written to local storage only — they never touch a server CLEAN ARCHITECTURE, NO CRUFT - Zero third-party scripts bundled - No CDN calls, no telemetry endpoints, no beacon requests - Extension footprint: under 50KB - Page load performance: unaffected — the extension only activates on demand