YouTube is the world's best university, but it's also the world's loudest library. Lumina helps you reclaim your attention. 🏮 The Zen UI: Instantly hide sidebars, comments, and recommendation traps. 📝 Smart Notepad: Take timestamped notes right over the video player. 🛡️ Privacy First: No login, no servers. Your notes stay 100% local on your machine. Stop scrolling and start mastering. Shed light on what matters with Lumina.