According to AlphaMoat, as of 2026-09, the Chrome extension YouTube AI Assistant has 235 users (+5.9% MoM), rated 5 (2 reviews) — ranked #3,009 of 9,324 AI browser extensions, and #745 of 2,418 in General AI.
What is YouTube AI Assistant
Auto-capture YouTube transcripts. Chat with any LLM about any video using your own OpenRouter key. Privacy-first. 🚀 Transform Your YouTube Experience with AI-Powered Learning
YouTube AI Assistant is the ultimate productivity tool for anyone who learns from YouTube videos. Never lose track of important information again - every video you watch is automatically captured with its full transcript, searchable and ready for AI-powered analysis.
✨ KEY FEATURES
Free Forever Features:
- 📹 **Automatic Video Tracking** - Every YouTube video you watch is saved automatically
- 📝 **Full Transcript Capture** - Extract complete transcripts from videos with captions
- 🔍 **Smart Search** - Instantly search across all your watched videos
- 💾 **Export/Import** - Your data is always yours - export anytime as JSON
- 🔒 **Privacy-First Design** - All data stored locally on your device
- 🛡️ **PIN Protection** - Optional security for your video library
**Premium AI Features (API Key Required):**
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- 🤖 **AI-Powered Chat** - Ask questions about any video and get intelligent answers
- ⏰ **24-Hour Sessions** - Continue conversations with full context retention
- 💬 **Conversation History** - Keep your last 3 Q&A exchanges per video
- 📊 **Credit Tracking** - Transparent usage monitoring
- ✍️ **Markdown Support** - Beautiful formatted responses
🎯 PERFECT FOR:
- Students studying lecture videos
- Professionals learning new skills
- Researchers analyzing content
- Content creators doing research
- Anyone who wants to learn faster from YouTube
🔒 YOUR PRIVACY MATTERS Unlike other extensions, YouTube AI Assistant stores all your data locally. We never upload your viewing history to any servers. The optional AI chat only sends specific questions, not your entire history.
💡 HOW IT WORKS: 1. Install the extension (takes 10 seconds) 2. Watch YouTube videos normally 3. Access your extension popup page to search and chat with any video 4. Export your data anytime you want
🆓 GENEROUS FREE TIER Core features are 100% free forever. No account required. No email needed. Just install and start using. AI chat features require an API key from Sessionat.com.
🛠️ TECHNICAL DETAILS:
- Works with 95% of YouTube videos (any with captions)
- Lightweight and fast (< 250KB)
- No impact on YouTube performance
- Regular updates and improvements
Extension profile
User Growth Trend
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.