AlphaMoatによると、2026-09時点でChrome拡張機能LunaNotesのユーザー数は7,000(前月比 +0%)、評価は4(68件のレビュー)で、9,324件のAIブラウザ拡張機能中659位、オフィス・コラボレーションでは1,839件中178位です。
LunaNotesとは
Notes, summaries and fact-checks on any YouTube video — and save any page. One simple library for everything you learn. AI notes, summaries & fact-checks for any YouTube video, one-click bookmarks to save & find any page later.
🌟 **Take AI notes on any YouTube video — and bookmark any page.** Summarize videos, fact-check claims, chat with AI, and save the whole web to one searchable library.
LunaNotes is the AI-powered learning companion trusted by 12,000+ students, teachers, and professionals. On YouTube it opens a sidebar right next to the video; everywhere else, one click saves the page to your library — no tab-juggling, no lost links.
**Why Choose LunaNotes?**
🎥 **Built for YouTube learning**
- Open a sidebar directly on any YouTube video
- Take timestamped notes — click any timestamp to jump back to that moment
- See your notes plotted on a timeline under the player, click to seek
- Browse and search the full video transcript
- Auto-pause the video when you start typing
- Capture a screenshot of the current frame into your note
ストアの説明の続きを表示▾
🤖 **AI that understands your videos**
- Chat with an AI assistant about the video you're watching
- Get suggested questions generated from the transcript in one tap
- One-click tools — Summary, Chapters, and Fact Check — free, no credits used
- Select text in your notes and let AI improve, simplify, or fix it
- Generate a full set of notes from any video automatically
🔖 **Bookmark the whole web, not just YouTube**
- Save any page to your library with one click from the toolbar
- Right-click to save a page or a link without leaving what you're doing
- Organize bookmarks into collections and tags
- Search everything you've saved from one place
- Saves keep working offline and sync when you're back online
📝 **A note editor built for video**
- Rich text with headings, lists, code blocks, tables & formatting
- Auto-save and cloud sync across your devices
- Organize with tags, favorites, sorting, and search
- Start from templates for lectures, meetings, and study sessions
🚀 **Perfect For**
- **Students** — organize lectures, capture key moments, build study materials
- **Teachers** — plan lessons and gather resources across the web
- **Professionals** — document training, save references, capture insights
- **Content Creators** — research topics, collect sources, organize ideas
💡 **Everything You Need** ✓ Timestamped notes on any YouTube video ✓ Full video transcript with search ✓ AI chat about the video you're watching ✓ Free Summary, Chapters & Fact Check tools ✓ AI text editing inside your notes ✓ One-click bookmarking for any web page ✓ Collections, tags, favorites & search ✓ Cloud sync across devices ✓ Works on any YouTube video
Open any note in the full LunaNotes app to go further — flashcards, diagrams, AI podcasts, quizzes, and export to PDF or Excel.
Start taking smarter notes today — install LunaNotes and turn everything you watch and read into one organized, searchable library.
For app updates and changes, visit our blog.
**DISCLAIMER** This extension is NOT made by Google or YouTube. It is created by Fernando de la Rosa, @jfdelarosa on X. LunaNotes is not owned or licensed by, and is not an affiliate of, YouTube or Google Inc.
拡張機能の情報
ユーザー数の推移
オフィス・コラボレーションの人気拡張機能
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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。