Powerful Features for Interactive Learning
Everything you need to transform YouTube videos and your own local files into engaging, interactive learning experiences
Complete Annotation Toolkit
Professional-grade tools designed for creators, educators, and teams
Freehand Drawing
Draw freely with customizable brush sizes and colors for natural annotation.
Shapes & Lines
Create perfect lines, arrows, circles, and ellipses with precision tools.
Highlighting
Highlight important parts with semi-transparent overlays and color coding.
Eraser Tool
Precise editing with customizable eraser tool for clean annotations.
Local Video Support
Upload and annotate your own videos with drag-and-drop simplicity.
Chrome Extension
One-click access to annotation tools directly on any YouTube video.
Database Storage
Save annotations in the cloud with automatic sync across devices (Pro).
Screen Recording
Capture and annotate screen recordings for tutorials and demos (Pro).
Team Collaboration
Share annotations with team members and collaborate in real-time (Pro).
Keyboard Shortcuts
Work faster with intuitive keyboard shortcuts for all tools and actions
Upload and annotate your own videos
Local Video Support
Drag & Drop Upload
Simply drag and drop your video files directly into the app
Multiple Formats
Support for MP4, WebM, OGG, MOV, AVI and more
Same Tools
Use all the same annotation tools as YouTube videos
Chrome extension for instant access
Chrome Extension
One-Click Access
Floating button on any YouTube video for instant annotation
URL Support
Paste any YouTube URL in the popup for quick access
Auto-Detection
Automatically detects YouTube videos and extracts video ID
Privacy First
Your data stays private and secure
Local Storage (Free)
All annotations saved locally in your browser
Cloud Sync (Pro)
Secure cloud storage with automatic sync across devices
No Tracking
No analytics, cookies, or data collection