Data month 2026-08
Best AI Notes & Knowledge Browser Extensions
As of 2026-08, AlphaMoat tracks 57 AI browser extensions tagged AI Notes & Knowledge. The most-installed is Glasp Web Highlighter (500.0K users). Ranked by install count, updated monthly.
#ExtensionPublisherUsersRating
1
Glasp500.0K★ 4.5
Glasp is a free web and PDF highlighter that turns your reading into organized, shareable notes with AI-powered summaries.
2
-500.0K★ 4.9
YouTube to NotebookLM is a connector that sends any YouTube video, playlist, or channel straight into Google's NotebookLM for AI notes.
3
Notebooklm Web Importer300.0K★ 4.7
Save YouTube videos, playlists, web pages, and feeds to Gemini Notebook in one click.
4
Eightify200.0K★ 4.0
Eightify is a YouTube summarizer that turns long videos into concise key insights and timestamped summaries with AI.
5
Wikiwand200.0K★ 4.7
Wikiwand is a modern Wikipedia reader that adds AI chat, timelines, and fact-checking to every article you read.
6
Web Highlights200.0K★ 4.8
Web Highlights is a highlighter and note-taking extension for websites and PDFs, with AI summaries of your saved content.
7
SUPERMIND100.0K★ 4.2
Mapify turns YouTube videos, PDFs, webpages, and chats into interactive AI-generated mind maps for faster learning and summarization.
8
Kortex Notebooklm100.0K★ 4.7
Kortex Notebook transforms Gemini NotebookLM into a connected knowledge base with one-click archiving, import, and export tools.
9
NotebookLM Tools100.0K★ 4.7
NotebookLM Tools adds bulk import, collections, studio generation, and audio or video downloads to Gemini NotebookLM.
10
Youtube Transcript100.0K★ 4.5
Youtube Transcript converts any YouTube video into text transcripts and ChatGPT-powered summaries without requiring an account.
11
Recall100.0K★ 4.4
Save, summarize, and auto-organize everything you read into an AI knowledge base you can chat with.
12
YouTube Summary with AI100.0K★ 3.2
AI Summary for YouTube generates concise ChatGPT-powered summaries and transcripts of any YouTube video with one click.
13
Yekyos90.0K★ 4.1
NotebookLM Ultra Exporter turns Gemini NotebookLM notebooks into Markdown, PDF, and other downloadable formats in one click.
14
Aisidebar70.0K★ 4.7
Sidebar extension that imports web links, articles, and YouTube videos into NotebookLM notebooks.
15
Getwebsync70.0K★ 4.5
WebSync keeps Gemini NotebookLM, Google Drive, and Google Sheets in sync so notes, files, and data stay consistent across tools.
16
-70.0K★ 3.7
Chat to Notion saves ChatGPT and AI conversations into Notion so they become searchable, organized notes.
17
YoutubeDigest60.0K★ 4.0
YoutubeDigest summarizes and translates YouTube videos with ChatGPT, turning long videos into concise, readable notes.
18
Scripsy60.0K★ 3.9
Scripsy is an AI YouTube summarizer that turns any video into a concise transcript and summary you can save and reuse.
19
VideoTranscriber60.0K★ 4.7
VideoTranscriber generates YouTube transcripts and AI summaries with ChatGPT and Gemini, including speaker recognition.
20
Extendlm60.0K★ 4.8
ExtendLM adds power-user features to Gemini NotebookLM, extending how notebooks are organized and used from the browser.
21
Snipo60.0K★ 4.6
Snipo captures YouTube, Udemy, Coursera, and BiliBili videos as timestamped notes and syncs them to Notion.
22
Lilys60.0K★ 4.7
LilysAI saves and summarizes articles, videos, and PDFs into structured, revisitable notes and mind maps.
23
Cubox40.0K★ 3.2
Cubox is a highlighter, clipper, and AI reader that helps you read, annotate, and take notes with an AI assistant by your side.
24
Mind Motor40.0K★ 4.9
YouMind is a personalized AI learning and creation agent that clips web content, takes YouTube notes, and annotates with Claude and Gemini assistance.
25
-40.0K★ 4.3
Bookshelf is a folder manager for Gemini Notebook that adds folders, subfolders, cloud sync, search, sorting, dark mode, and export or import.
26
Utkarshnotes40.0K★ 4.2
FolderLM organizes your NotebookLM workspace with folders, bulk import, merge sources, and a prompt library.
27
Notebookclipper30.0K★ 4.9
Notebook Clipper saves YouTube videos, AI chats, and any page into Gemini Notebook in one click.
28
TinaMind30.0K★ 4.5
TinaMind is an AI assistant that chats, searches, writes, translates, and summarizes across your browser and YouTube.
29
Slid30.0K★ 4.5
Slid is a video note-taking tool that captures screens, transcribes lectures in real time, and lets you write notes with ChatGPT.
30
LiveWiki30.0K★ 4.4
AI guide that quickly distills complex YouTube videos into key summaries, articles, and timelines.
31
-30.0K★ 4.7
One-click web clipper that saves articles, docs, code, and tables as clean Markdown.
32
-20.0K★ 3.0
Paywall-Free Reader opens premium articles in a clean layout, finds open-access versions, and summarizes them with AI for later reading.
33
ThirdEar AI20.0K★ 4.8
TwinMind is an AI second brain that transcribes meetings and lectures without bots and searches across all your past notes and context.
34
Fabric20.0K★ 4.3
Fabric is an AI-powered workspace that saves, organizes and helps you rediscover everything you capture from the web.
35
HoverNotes20.0K★ 4.7
HoverNotes turns YouTube, Udemy and Coursera videos into AI-powered markdown notes saved to your Obsidian vault.
36
Kome20.0K★ 2.4
Kome summarizes any webpage or YouTube video and manages bookmarks in one click from your browser.
37
WANGXU TECHNOLOGY20.0K★ 4.1
GitMind AI turns any content into mind maps and summaries, and edits images, audio, video and PDFs in one plugin.
38
Paradigm Copilot20.0K★ 3.8
Copilot combines several AI models to create study notes, flashcards, quizzes, and concept maps.
39
Dictanote20.0K★ 4.3
Summarize the YouTube video you are watching with ChatGPT, Gemini, or Claude and save time.
40
-10.0K★ 4.5
Export ChatGPT conversations to Markdown with clean support for code, LaTeX equations, and tables.
41
Sidebar10.0K★ 4.4
A sidebar panel for bookmarks, Google apps, and direct chat with an AI that answers natural language questions.
42
Hugocollin10.0K★ 4.1
Download ChatGPT, Claude, Perplexity and Phind conversations into clean, structured Markdown files.
43
Shortform10.0K★ 3.9
Summarize web pages and YouTube videos in one click, with background context and counterarguments for deeper learning.
44
-10.0K★ 4.8
Export NotebookLM chats, quizzes, flashcards, mindmaps, notes, and reports to many formats, with cloud delivery.
45
Deepseek AI10.0K★ 4.4
Exports DeepSeek chat conversations to PDF, HTML, Markdown, JSON, TXT, and Word formats.
46
SAVE ChatGPT10.0K★ 2.9
Save ChatGPT conversations to TXT, PDF or Markdown files or copy them to the clipboard.
47
Casperstudios10.0K★ 4.4
AI assistant that summarizes web pages and PDFs and drafts shareable insights for professionals.
48
Sortbase10.0K★ 4.0
Organize and move AI chats across ChatGPT, Claude, Gemini and Grok with folders and search.
49
Mindomo10.0K★ 4.0
Capture links, text and images, then let AI turn them into or enhance mind maps.
50
NIMBUS WEB10.0K★ 4.5
ChatGPT-like assistant for questions and task automation, with web clipping into notes.
Related tags
Listings include Chrome extensions with 10,000+ users, by latest-month install count. See methodology.