- Open Chrome and go to
chrome://extensions/ - Enable "Developer mode" (toggle in top right)
- Click "Load unpacked"
- Select this project folder
- The QuickSight extension should now appear in your extensions list
- Click the QuickSight extension icon in Chrome toolbar
- Enter your OpenAI API key in the settings
- Adjust performance settings if needed (defaults work well)
- Go to YouTube.com
- Hover over any video thumbnail
- Wait ~200ms to see the AI summary tooltip
- Click "View Details" for comprehensive summary modal
- Go to OpenAI Platform
- Sign up or log in
- Create a new API key
- Copy and paste it into the extension settings
- Instant Summaries: Hover over YouTube thumbnails for quick insights
- Detailed Analysis: Click for comprehensive summaries with timestamps
- Smart Caching: Summaries are cached for faster repeated access
- Performance Optimized: Intelligent preloading of visible videos
- Privacy Focused: Your API key stays local, no data collection
- No summaries showing: Check if your OpenAI API key is valid
- Slow performance: Reduce preload count in settings
- Extension not working: Refresh YouTube page after installation
If you want to test the extension interface without YouTube, open demo.html in your browser to see the UI components.