Transform YouTube into Your Learning Platform
LearnLens is the Chrome extension that adds AI-powered summaries, interactive chat, knowledge assessments, and beautiful math rendering to any YouTube video.
Extension Features
Powerful tools that enhance every YouTube learning session.
Smart Video Summaries
Get clean, structured summaries with diagrams and math rendering. Our AI extracts key concepts and timestamps important moments, saving you hours of study time.
Interactive AI Chat
Ask questions about the video content and get contextual explanations. The AI understands the full video context and acts like a personal tutor available 24/7.
Knowledge Checks
Test understanding with quick quizzes generated from the video timeline. Interactive questions appear at strategic moments to reinforce learning and track your progress.
Beautiful Math
See formulas rendered clearly with KaTeX support. Complex equations and mathematical symbols are displayed with crisp, publication-quality formatting for STEM content.
Multi‑Language Assistance
Read insights and chat in your preferred language with seamless translation support. Break down language barriers while maintaining context and technical accuracy.
Visual Flow Diagrams
Complex algorithms are automatically converted into beautiful, interactive flow diagrams. Transform abstract concepts into clear visual representations that make programming logic intuitive.
Watch the Demo
See LearnLens in action on YouTube.
Install in Minutes
Follow these steps and start learning smarter.
Add to Chrome
Click the Install button to add LearnLens to your browser.
Open a YouTube video
Visit any educational video and open the LearnLens panel.
Start learning
Summaries, AI chat, and knowledge checks appear alongside the video.
No sign-up required. Works right inside YouTube.
Why Learners Love LearnLens
Designed to maximize understanding, retention, and engagement.
Save Time
Scan key insights quickly without scrubbing through the video.
Stay Engaged
Interactive chat and quizzes keep you active and curious.
Learn Deeper
Clear math rendering and step-by-step reasoning build intuition.
Learn Your Way
Multi-language support helps you study comfortably.