Instantly know if a video is worth your time.
The Ysum Chrome Extension adds AI-powered usefulness scores to YouTube thumbnails. See the value. Save the time.
Usefulness Score (0–100)
Every video gets a visible badge showing how useful it is — so you don’t waste time on empty content.
Instant AI Summary
Hover over any video to get a mini summary with key insights, action points, and learning potential.
Stay Focused, Avoid Distractions
See which videos are actually worth watching — and skip the mindless scroll, clickbait, or Shorts.
Save Hours Every Week
No more gambling with your attention. Make smart viewing choices at a glance and free up your day.
Built for Self-Learners
Whether you're watching for growth, inspiration, or research — Ysum helps you stay intentional.
Filter for Depth Coming Soon
Activate 'Personal Watch Mode' to focus on deep, educational content and hide superficial noise.
Why It Matters
🕓 YouTube is full of great content — and even more distractions. The Ysum Extension gives you instant feedback before you click. Think of it as your AI filter for meaningful learning and action.
FAQ & Troubleshooting
- Why do some videos have no score? Some videos lack enough data for a reliable score.
- How often are scores updated? Scores refresh when you reload or revisit a video.
- Does it work with Shorts? No, it works only with long-form content.
Install Extension