2026年9月時点で、AlphaMoatはAIノート・ナレッジ管理タグの付いたAIブラウザ拡張機能を824件掲載しています。最もインストールされているのはGlasp Web Highlighter(ユーザー数50万)です。インストール数で並べ、毎月更新しています。
| # | 拡張機能 | 提供元 | ユーザー数 | 評価 |
|---|---|---|---|---|
| 1 | AI-powered Web Highlighter for Websites, PDF, and YouTube videos. YouTube Summary with ChatGPT, Claude, and Gemini. | GLASP | 50万 | ★ 4.4 |
| 2 | Send YouTube to NotebookLM. Save videos, sync YouTube channel to NotebookLM, and manage any NotebookLM video easily | - | 50万 | ★ 4.9 |
| 3 | Import YouTube videos, playlists, web pages, and more to Gemini Notebook (formerly NotebookLM) with one click | notebooklm-web-importer | 30万 | ★ 4.7 |
| 4 | Summarize YouTube videos with AI. Save time on long videos — get instant, high-quality summaries and key insights. | Rational Expressions | 20万 | ★ 4.0 |
| 5 | Wikipedia, beautifully redesigned. Timelines, top questions, fact-checking, and more. AI built in. | wikiwand | 20万 | ★ 4.7 |
| 6 | Productivity Highlighter & Annotation Tool for Websites & PDFs with AI Summary - free, easy to use, no sign-up required. | web-highlights | 20万 | ★ 4.8 |
| 7 | Export NotebookLM notes, slides, mindmaps, flashcards, tables & infographics to Markdown, Word, PDF, CSV & more. | yekyos | 10万 | ★ 4.1 |
| 8 | Summarize anything to mindmap with AI | XMIND | 10万 | ★ 4.1 |
| 9 | Transform NotebookLM into your ultimate knowledge hub. Save prompts, export chats, and organize all your interactions seamlessly. | kortex-notebooklm | 10万 | ★ 4.7 |
| 10 | Youtube Video Transcript and Video Summary: YouTube video to text transcript, YouTube summary with ChatGPT. | youtube-transcript | 10万 | ★ 4.5 |
| 11 | Save, summarize, and auto-organize YouTube, articles, PDFs, and podcasts in an AI knowledge base you can chat with and learn from | Recall Wiki | 10万 | ★ 4.4 |
| 12 | Get YouTube Video Summary in seconds and let you quickly get the content of the video, save time and learn quicker. | chatgpt4youtube | 10万 | ★ 3.1 |
| 13 | Power tools for NotebookLM (Gemini Notebook): bulk import, collections, folders, export sources, audio & video download. | nlmtools | 9万 | ★ 4.7 |
| 14 | Use NotebookLM AI Sidebar to import web links into a notebook and add YouTube videos and shorts with one click! | aisidebar | 8万 | ★ 4.7 |
| 15 | Capture web content for Gemini Notebook, Google Sheets, Google Drive, Clipboard, or Local folder. | getwebsync | 7万 | ★ 4.5 |
| 16 | NotebookLM extension: folders, tags, custom prompts, bulk notebook and source management, exports, merging, bulk imports and more. | extendlm | 7万 | ★ 4.8 |
| 17 | Save your discussions with ChatGPT, Deepseek, Claude and Mistral directly into Notion! | Théo Lartigau | 7万 | ★ 3.7 |
| 18 | Generates summaries and translations for youtube videos using ChatGPT | youtubedigest | 6万 | ★ 4.0 |
| 19 | Use YouTube Transcriber and Summarizer as youtube transcript generator. Summarize videos with AI and get key ideas to save time. | scripsy | 6万 | ★ 3.9 |
| 20 | Generate accurate transcripts and concise summaries for any YouTube video with ChatGPT & Gemini. | videotranscriber | 6万 | ★ 4.7 |
| 21 | Powerful AI web clipper to save and summarize everything, including YouTube videos and web pages. | lilys | 6万 | ★ 4.7 |
| 22 | Add folders, subfolders & cloud sync to Gemini Notebook. Drag-and-drop, search, sort, dark mode, export/import. Tile & list view. | - | 5万 | ★ 4.3 |
| 23 | Highlighter, Clipper, AI Reader. Read, annotate and take notes with AI assistant. | Cubox | 4万 | ★ 3.2 |
| 24 | YouMind is the #1 personalized AI learning and creation agent. | MIND MOTOR | 4万 | ★ 4.9 |
| 25 | Take YouTube notes directly to Notion, generate AI flashcards, capture screenshots, and sync learning courses with Notion | snipo | 4万 | ★ 4.6 |
| 26 | Organize NotebookLM with folders, dashboard, bulk import, merge sources, prompts, full screen, source tools, and copy citations. | utkarshnotes | 4万 | ★ 4.2 |
| 27 | Save YouTube videos, playlists, AI chats & any page to Gemini Notebook in one click — the all-in-one companion. | notebookclipper | 3万 | ★ 4.9 |
| 28 | Your AI Assistant powered by AI models. Chat, YouTube summary, search, write, TTS, OCR and more. | tinamind | 3万 | ★ 4.5 |
| 29 | Take notes faster and easier with Slid | slid | 3万 | ★ 4.5 |
| 30 | We help you quickly grasp the core of complex YouTube videos, so you can make smarter choices. | livewiki | 3万 | ★ 4.5 |
| 31 | One-click Markdown web clipper. Save articles, docs, code & tables as clean Markdown for AI agents & LLMs. Supports Obsidian & more. | Dhruv Parikh | 3万 | ★ 4.7 |
| 32 | Read premium articles with a clean layout, summarize with AI and save for later. Perfect for research, learning, and productivity. | Muaad Abdirahman | 2万 | ★ 2.9 |
| 33 | Your Trusted AI Second Brain. | ThirdEar AI | 2万 | ★ 4.8 |
| 34 | 🍱 All your stuff in one place. 👋 Collaborate on anything. | fabric | 2万 | ★ 4.3 |
| 35 | Video Note-taking for YouTube, Udemy, Coursera & more to Obsidian: AI-powered markdown notes with screenshots | HoverNotes | 2万 | ★ 4.6 |
| 36 | Capture links, text, and images in Mindomo. Let AI create mind maps for you. Develop diagrams with saved elements from web pages. | mindomo | 2万 | ★ 4.0 |
| 37 | Get instant summaries and bookmark manager with just a click. | kome | 2万 | ★ 2.4 |
| 38 | One plugin for all your needs. AI chat, image editing, audio & video processing, PDF editing, and mind map generation. | gitmind | 2万 | ★ 4.1 |
| 39 | Psyber Solutions | 2万 | ★ 3.8 | |
| 40 | Summarize any YouTube video in one click with ChatGPT, Gemini, Claude, Mistral or Grok. Fast, lightweight and free. | dictanote | 2万 | ★ 4.3 |
| 41 | export chatgpt conversation to markdown with code/latex/table | TinyFlow Labs | 1万 | ★ 4.5 |
| 42 | 🚀 Download your ChatGPT, Claude, Perplexity and Phind conversations into markdown files! | hugocollin | 1万 | ★ 4.1 |
| 43 | Summarize anything on the web and YouTube in one click. Learn ideas better with context and counterarguments. | Shortform | 1万 | ★ 3.9 |
| 44 | Export NotebookLM chat, quiz, flashcard, mindmap, note, report, etc. to multiple formats with Drive or Notion delivery. | - | 1万 | ★ 4.8 |
| 45 | 使用DeepSeek Chat Exporter智能导出DeepSeek聊天对话,支持PDF、HTML、Markdown、TXT和Word等多种格式 | deepseek-ai | 1万 | ★ 4.4 |
| 46 | Side Chat, Prompt Library/Optimizer for ChatGPT, Timestamp, Bookmark, Folder, Bulk Delete, Smart Follow-up, Minimap | gptmaster | 1万 | ★ 4.8 |
| 47 | Save ChatGPT conversations to multiple file formats, txt,pdf,md and save to clipboard | savechatgpt | 1万 | ★ 3.0 |
| 48 | A tool for professionals to simplify their workflow by summarizing articles, creating content and sharing insights with stakeholders | Casperstudios | 1万 | ★ 4.4 |
| 49 | Easily organize and transfer AI chats across ChatGPT, Claude, Gemini & Grok – cross-platform folders, search, and a prompt library. | Sortbase | 1万 | ★ 4.0 |
| 50 | ChatGPT-like extension that answers questions and automate manual tasks. | NIMBUS WEB | 1万 | ★ 4.5 |
2026年9月時点で、ユーザー数で見ると、「AIノート・ナレッジ管理」関連のChrome拡張機能の1位はGlasp Web Highlighter(ユーザー 50万)です。続いてYouTube to NotebookLM(ユーザー 50万)、NotebookLM Web Importer(ユーザー 30万)。
ユーザー数の高い順に、上位10件は次のとおりです:1. Glasp Web Highlighter、2. YouTube to NotebookLM、3. NotebookLM Web Importer、4. Eightify、5. Wikiwand、6. Web Highlights、7. NotebookLM Ultra Exporter、8. Mapify、9. Kortex NotebookLM、10. Youtube Transcript。
AlphaMoatは824件の「AIノート・ナレッジ管理」関連のChrome拡張機能を収録し、ユーザー数で順位付けしています。ユーザー数はChromeウェブストアの公開データに基づきます。データは毎月更新しており、現在は2026年9月のデータです。
このタグの付いたすべてのChrome拡張機能を、最新月のインストール数で並べています。詳しくはデータの方法論をご覧ください。