Sound Booster

Boost audio up to 500% on any website with EQ controls and presets.

🔊 Volume Booster 500% — Sound & Bass Boost Struggling with low volume on YouTube, Netflix, Spotify, or online meetings? Sound Booster amplifies your browser audio up to 500% — far beyond the default maximum — while keeping it clean, crisp, and distortion-free. Whether it's a quiet podcast, a low-budget lecture recording, or a movie with barely audible dialogue, Sound Booster gives you full control over your listening experience with a single click. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🎯 WHY SOUND BOOSTER? ✅ Boost volume up to 500% — go way beyond your system's default limit ✅ Built-in Bass & Treble EQ — fine-tune your audio exactly how you like it ✅ 4 Smart Presets — optimized settings for different content types ✅ Real-time audio visualizer — see your sound come alive ✅ Brick-wall limiter — prevents distortion even at maximum boost ✅ Works on every website — YouTube, Netflix, Spotify, Twitch, Zoom, and more ✅ Lightweight & fast — no bloat, no lag, no background processes ✅ 100% Private — zero data collection, everything stays on your device ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🎛️ POWERFUL FEATURES 🔈 Volume Amplification (0% – 500%) Drag the slider to boost any tab's audio up to 5x the normal volume. Our non-linear gain curve ensures smooth, natural amplification — no harsh clipping or sudden jumps. 🎵 Bass & Treble EQ Controls Adjust bass (-10 to +10 dB) and treble (-10 to +10 dB) independently. Whether you want thumping bass for music or crystal-clear highs for speech — you're in control. 🎧 4 Smart Presets One-click audio profiles tailored for different content: • General — balanced, everyday browsing • Speech — enhanced clarity for podcasts, lectures, and video calls • Music — boosted bass and bright treble for songs and playlists • Movie — deep bass with warm mids for cinematic sound 📊 Real-Time Visualizer A live frequency visualizer in the popup shows your audio activity in real time. It's not just functional — it looks cool too. 🛡️ Distortion-Free Boost Our built-in brick-wall limiter and dynamics compressor work together to catch audio peaks before they clip. The result? Louder audio without the ugly distortion that other boosters produce. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 💡 PERFECT FOR • Quiet YouTube videos and tutorials • Low-volume Netflix, Prime Video, and Disney+ streams • Online lectures, webinars, and e-learning platforms • Podcasts and audiobooks with poor audio levels • Zoom, Google Meet, and Microsoft Teams calls • Music streaming on Spotify, SoundCloud, and YouTube Music • Gaming streams on Twitch • Any website where the audio just isn't loud enough ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⚡ HOW TO USE 1. Click the Sound Booster icon in your browser toolbar 2. Toggle the switch ON 3. Drag the volume slider to your desired level (up to 500%) 4. Choose a preset or adjust Bass/Treble manually 5. Enjoy louder, better audio instantly ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔒 YOUR PRIVACY MATTERS Sound Booster respects your privacy completely: • No personal data is collected — ever • No analytics, tracking, or cookies • No data is sent to any external server • All settings are stored locally on your device • Open source and fully transparent We believe great software doesn't need your data. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🛠️ TECHNICAL DETAILS • Built with the Web Audio API for professional-grade processing • Manifest V3 compliant — latest Chrome extension standard • Non-linear gain scaling prevents harsh amplification artifacts • Dynamics compressor adapts to each preset for optimal sound • MutationObserver detects dynamically loaded media (YouTube SPA, etc.) • Zero external dependencies — pure vanilla JavaScript ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ If Sound Booster helped you, please leave a ⭐ rating — it helps others discover this extension! Made with 💗 by Smit