YouTube Extension
Take notes directly on YouTube with timestamps, auto-pause, transcripts, and AI tools — then chat with your video and sync everything to LunaNotes.
But what is a neural network? · 3Blue1Brown
Neurons fire when activation threshold is met
🤖 AI Summary:This section explains how weighted inputs combine and pass through an activation function to produce an output signal.
YouTube Extension – Key Capabilities
Notes + transcripts, side-by-side
The extension works right inside YouTube and pulls the transcript when available, so you can capture key ideas faster.
AI turns videos into study-ready material
Generate flashcards and diagrams from the video content so you can review in minutes, not hours.
Ask questions with AI Chat
Chat with the video and your notes to clarify concepts, get examples, or create quick explanations, all synced to your workspace.
Frequently Asked Questions
Everything you need to know about this feature.
Install it from the Chrome Web Store. After installation, open any YouTube video and the LunaNotes sidebar will appear for note-taking and timestamps.
Yes. When a YouTube video has a transcript available, LunaNotes can use it as part of the workflow to improve note-taking and AI processing.
Yes. You can enhance notes, generate flashcards and diagrams, and use AI chat directly from the extension.
AI chat lets you ask questions about the video content and your notes, great for clarifying concepts, generating examples, or creating simpler explanations.
Yes. Everything you create — notes, timestamps, flashcards, diagrams, and AI improvements — syncs to your LunaNotes workspace so you can access it on any device.
The extension works on Chromium browsers like Chrome, Edge, Brave, Opera, and Vivaldi. Firefox and Safari aren't supported.