Volume Booster 600% – Sound Booster for YouTube & Spotify

🔊 Make Quiet Tabs Loud, Clear, and Comfortable Boost browser audio up to 600%, improve voice clarity, shape bass and treble, and control sound across multiple tabs—all from one compact audio dashboard. Volume Booster works with YouTube, Spotify, Netflix, online classes, meetings, podcasts, and most websites that play audio. ━━━━━━━━━━━━━━━━━━ 🚀 FREE FEATURES ━━━━━━━━━━━━━━━━━━ 🔊 Volume Boost up to 600% Raise quiet videos, streams, calls, and music beyond the normal browser volume limit. 🎚️ Three-Band Equalizer Adjust bass, mids, and treble to match your speakers, headphones, and content. ⚡ Six One-Click Sound Modes Quickly switch between Flat, Music, Voice, Bass+, Cinema, and Voice Clarity. ✨ Voice Clarity Improve speech presence while reducing low-frequency rumble and distracting high-frequency noise. 💾 Automatic Settings per Website Your preferred volume, EQ, and balance are remembered for each website. YouTube can stay loud while meetings remain clear. 🗂️ Multi-Tab Audio Control See controllable tabs and adjust their audio from one dashboard. ⌨️ Keyboard Shortcuts Alt + Up Arrow — increase volume Alt + Down Arrow — decrease volume Alt + M — mute the active tab 🛡️ Protected High-Volume Processing Built-in compression helps control clipping and harsh peaks while audio is boosted. ━━━━━━━━━━━━━━━━━━ 💎 PRO — $2.99/MONTH ━━━━━━━━━━━━━━━━━━ Upgrade when you want a more effortless and personalized listening experience. 🌙 Night Shield Hear clearer dialogue and quiet details with fewer jolting volume spikes. Ideal for movies, podcasts, and comfortable late-night listening. ⚖️ Smart Volume Automatically balances uneven audio in real time, lifting quieter moments and controlling louder sections. 🎛️ Personal EQ Profiles Save up to five custom sound setups and recall them in one click for music, movies, calls, or different headphones. ✨ Future Pro Features New premium listening tools are included while your subscription remains active. Cancel anytime through Polar. Checkout and subscription management are handled securely by Polar; the extension never receives your card details. ━━━━━━━━━━━━━━━━━━ 🔑 HOW PRO ACTIVATION WORKS ━━━━━━━━━━━━━━━━━━ 1. Click “Unlock Pro” in the extension popup. 2. Select “Get Pro” and complete the secure Polar checkout. 3. Copy the license key shown on your Polar purchase page. 4. Open the “License Key” tab, paste the key, and select “Activate License.” No separate Volume Booster account or password is required. ━━━━━━━━━━━━━━━━━━ ✅ GREAT FOR ━━━━━━━━━━━━━━━━━━ • Quiet YouTube videos and livestreams • Low laptop or monitor speakers • Movies with quiet dialogue and loud action scenes • Podcasts, lectures, and online classes • Google Meet, Zoom, and browser-based calls • Music that needs stronger bass or clearer detail • Managing audio across several browser tabs ━━━━━━━━━━━━━━━━━━ 🔒 PRIVACY ━━━━━━━━━━━━━━━━━━ Audio processing happens locally in your browser. Volume Booster does not record or upload audio content, collect browsing history, or sell personal information. The extension uses anonymous feature-usage analytics to improve reliability and user experience. Pro license keys are sent securely through our Cloudflare Worker to Polar for subscription validation and are stored locally in Chrome for revalidation. Install Volume Booster and make browser audio easier to hear, shape, and enjoy.