Universal Video Annotator

Draw, highlight, and annotate any video instantly. Supports YouTube, Vimeo, Wistia, and more! No login required. My Annotator – Annotate YouTube Videos with Ease Make YouTube videos truly interactive. My Annotator is a powerful Chrome extension and web app that lets you draw, highlight, and add annotations directly on top of YouTube videos. Whether you’re a teacher preparing lessons, a student taking notes, a content creator explaining concepts, or a coach reviewing gameplay, My Annotator makes video learning more engaging and collaborative. ✨ Key Features 🖊️ Annotation Tools Freehand drawing with adjustable brush size and colors Shapes: lines, arrows, circles, and ellipses Highlighting with transparent overlays Eraser for precise editing and corrections 🎨 Modern Interface Clean, intuitive toolbar with smooth animations Dark & Light theme support with automatic switching Fully responsive design that works on desktops and laptops Accessibility-first: WCAG compliant with ARIA labels ⌨️ Keyboard Shortcuts Speed up your workflow with quick commands: D – Toggle drawing mode Ctrl+Z – Undo last annotation Ctrl+Shift+C – Clear all annotations T – Show/hide toolbar F – Freehand tool L – Line tool E – Ellipse tool A – Arrow tool H – Highlight tool C – Circle tool X – Eraser tool 🌐 Chrome Extension Integration Floating button on YouTube for one-click access Popup menu to paste YouTube URLs directly Auto-detection of the current video tab Seamless switch between YouTube and the annotation workspace 💾 Data Management & Privacy All annotations are saved locally in your browser Auto-save keeps your progress safe No accounts required – works out of the box No tracking, no analytics, no external servers 100% GDPR compliant 🚀 How It Works Install My Annotator from the Chrome Web Store Open any YouTube video Click the floating "Open in Annotator" button or use the extension popup Start drawing, highlighting, or marking key points in the video Annotations stay saved automatically in your browser 🎯 Perfect For Teachers & Educators: Create interactive lessons, explain key points, and highlight important concepts directly on video lectures. Students: Take visual notes, highlight difficult sections, and revisit annotated study material anytime. Content Creators & Coaches: Mark timestamps, draw explanations, and create engaging tutorials or video breakdowns. Teams & Organizations: Use annotations during training, knowledge sharing, and collaborative video reviews. 🔍 Optimized for Performance & SEO Smooth annotations with HTML5 Canvas Optimized for Core Web Vitals performance Lightweight, fast-loading extension Mobile-first indexing compatibility (when used via the web app) 🔒 Privacy & Legal Transparency My Annotator is built with privacy first: No personal data is collected No external trackers or cookies All annotations stay in your local browser storage Fully transparent Terms of Service, Privacy Policy, and Imprint You’re always in control of your data. 🛠️ Tech Behind the Scenes Next.js 15 + React 19 + TypeScript Tailwind CSS design system HTML5 Canvas API for smooth drawing Chrome Extension Manifest V3 No hidden background processes – lightweight and efficient 💡 Pro Tips Use browser fullscreen (F11) for the best annotation experience Avoid YouTube’s built-in fullscreen (it hides annotation layers) Mix colors and brush sizes to highlight different concepts Use keyboard shortcuts for faster, smoother note-taking 📞 Support & Community Questions or issues? Visit our GitHub Issues Join discussions on GitHub Discussions Email us at [email protected] We’re an open-source project and welcome contributions from the community! 📝 License My Annotator is open-source and licensed under MIT. ❤️ Made for the Education & Content Creation Community Turn YouTube into your interactive canvas. With My Annotator, videos are no longer just something you watch—they’re something you engage with, learn from, and create with. 👉 Install My Annotator today and start annotating YouTube videos like never before!