AlphaMoatによると、2026-09時点でChrome拡張機能YouTube AI Assistantのユーザー数は235(前月比 +5.9%)、評価は5(2件のレビュー)で、9,324件のAIブラウザ拡張機能中3,009位、汎用AIでは2,418件中745位です。
YouTube AI Assistantとは
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):**
ストアの説明の続きを表示▾
- 🤖 **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
拡張機能の情報
ユーザー数の推移
汎用AIの人気拡張機能
ChatGPT, DeepSeek, Gemini, Claude, Grok all in one AI sidebar, for AI search, read, and write.
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Change default search engine to ChatGPT search.
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One stop AI Assistant with GPT, Claude, Gemini: Chat, Write, Translate, Search, Summarize, image generator, video generation
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Summarize YouTube videos, web articles, and PDFs to save time, powered by ChatGPT, Claude, Mistral AI, and Gemini.
+ 比較sessionatのその他の拡張機能
Chrome extension for monitoring cryptocurrency prices and sending alerts to with AI report analysis.
+ 比較データ月:2026-09 · ユーザー数と評価はChromeウェブストアの公開データを月単位で集計したものです。詳しくはデータの方法論をご覧ください。