React hooks allow state logic reuse without changing component hierarchy.
Dependency arrays are crucial for useEffect.
We stripped away the algorithm to give you back your attention. Experience YouTube the way it was meant to be.
Lumina automatically blacks out the recommendation sidebar, and comments. 100% video focus.
No more Alt-Tab. A sleek, transparent notepad floats directly over your video player for seamless note-taking.
Your data never leaves your machine. Notes are stored locally in your browser storage. Zero tracking.
See the difference in clarity.
Noisy & Cluttered
Clean & Productive
Minimal friction. Maximum output.
Add to Chrome or Edge. It's lightweight (< 2MB).
One click activates the notepad and kills distractions.
Save your insights as .txt or copy to Notion.
Join thousands of focused learners worldwide
"Lumina saved my focus. I used to get distracted by Shorts every 5 minutes. The dark mode UI fits my setup perfectly."
"The note overlay is genius. I can type code snippets while watching tutorials without switching windows."
"Simple, effective, and free. No login needed was the selling point for me. Highly recommended."
Yes! It works seamlessly with both Premium and free YouTube versions.
No. Lumina is ultra-lightweight and only activates the script when you are on a video page.
Yes. No hidden fees, no subscriptions, and no data tracking. We might add Pro themes later, but the core tool is free.
Last Updated: February 2026
Lumina is committed to privacy. We do not collect, transmit, or sell your personal data. All notes are saved locally on your device via chrome.storage.local.
We do not have servers. Your data stays on your machine.
We only access YouTube.com to hide distractions and display the notepad.
Join learners who've eliminated distractions and mastered their content with Lumina.
Get Lumina FreeNo credit card required • 30-second setup • Works on Chrome & Edge