YouTube Video Tracker 作成者: Lox

A Firefox extension that helps you track your progress through YouTube educational content with automatic chapter detection and progress visualization.

Features:
- Automatic chapter detection from video descriptions
- Real-time progress tracking with visual indicators
- Chapter navigation - click to jump to any timestamp
- Progress visualization showing completed vs. skipped sections
- Session tracking counts how many times you've watched each course
- Local storage - all data stays in your browser
- Dark mode support adapts to your browser theme

Perfect for online courses, tutorials, educational content and music playlists with timestamps. The extension appears as a clean sidebar showing your progress through each chapter, making it easy to resume where you left off.