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Control webpage scrolling with head gestures. Exercise your neck while browsing for better cervical spine health. NodScroll lets you control webpage scrolling using simple head gestures - no hands needed! Perfect for maintaining cervical spine health during long screen time. 💪 HEALTH BENEFITS Long hours staring at screens can cause neck stiffness and pain. NodScroll encourages natural neck movement while browsing, promoting blood circulation in the cervical spine. Combine productivity with neck exercises - stay healthy while you work! 🎯 HOW IT WORKS 1. Click the extension icon and grant camera permission 2. Wait ~1 second for calibration 3. Use head gestures to control: • Nod down → Scroll down • Nod up → Scroll up • Turn left → Go back • Turn right → Go forward ✨ KEY FEATURES • Hands-free browsing - Perfect for eating, cooking, or multitasking • Works in background - No need to keep popup open • Privacy-first - All processing happens locally, no data uploaded • Customizable - Adjust sensitivity, scroll amount, and cooldown • Bilingual - English and Chinese interface • Powered by MediaPipe Face Mesh - Industry-leading AI face tracking 🔒 PRIVACY & SECURITY • Camera only active when you enable tracking • All face detection runs locally in your browser • Zero data collection or upload • Open source - Review the code yourself 💡 USE CASES • Long work sessions - Exercise your neck while browsing • Reading long articles while eating or drinking • Following recipes while cooking • Scrolling through social feeds hands-free • Posture awareness - Encourages active neck movement • Accessibility aid for limited hand mobility ⚙️ SETTINGS • Pitch/Yaw thresholds - Control gesture sensitivity • Scroll amount - How far to scroll per gesture • Cooldown time - Prevent accidental triggers • Scroll direction - Natural (Mac) or Classic (Windows) 🖥️ SYSTEM REQUIREMENTS • Chrome 88+ or Edge 88+ (Manifest V3 support) • Webcam • Good lighting for optimal face detection 📝 FIRST TIME SETUP 1. Install the extension 2. Click the extension icon 3. Click "Start" - a permission page will open 4. Grant camera access when prompted 5. Return to any webpage and start using!