Data month 2026-08
Kortex Notebook
Kortex Notebook
Kortex Notebook
Kortex NotebooklmKortex Notebook transforms Gemini NotebookLM into a connected knowledge base with one-click archiving, import, and export tools.

According to AlphaMoat, as of 2026-08, the Chrome extension Kortex Notebook has 100,000 users (+0% MoM), rated 4.7 (365 reviews) — ranked #78 of 9,793 AI browser extensions, and #23 of 1,926 in Office & Collaboration.

Users · 2026-08
100.0K+0%
Rating
★ 4.7365
Overall Rank (9,793)
#78
Office & Collaboration Rank
#23/ 1,926

What is Kortex Notebook

Product Overview

Kortex Notebook is a browser extension that transforms Google's NotebookLM into a dynamic, interconnected knowledge base. It bridges AI conversations from LLMs, captures insights from any webpage, imports social media content, and adds tools to manage, export, and organize work.

Key Features5 items
  • 01Archive full LLM conversations into NotebookLM with one click from ChatGPT, Claude, Gemini, and Perplexity
  • 02import social media threads and posts with full context
  • 03highlight any webpage text and send it to NotebookLM as a cited source
  • 04sync Google Docs, URLs, tabs, RSS feeds, and CSV files via Pro import tools
  • 05export all sources from a notebook as PDF, Markdown, Text, or ZIP
Business Model

Kortex Notebook offers free core features with no subscription required, while advanced import and organization tools are available as Pro features.

Show full Chrome Web Store description▾

Transform NotebookLM into your ultimate knowledge hub. Save prompts, export chats, and organize all your interactions seamlessly. Kortex Notebooklm / Cortex Notebooklm - Your Power Toolkit for Gemini NotebookLM!

Tired of your valuable intellectual work getting lost in different chats or locked inside research sources? Kortex / Cortex is the browser extension that transforms Google's NotebookLM into a dynamic, interconnected knowledge base. It seamlessly bridges your AI conversations from LLMs, captures insights from any webpage, imports social media content, and adds powerful tools to manage, export, and organize your work.

Key Features:

1. One-Click LLM Archiving An integrated "NotebookLM" archive button in ChatGPT, Claude, Gemini, and Perplexity captures your full conversation and seamlessly imports it into NotebookLM as a perfectly-cited source. Select an existing notebook or create a new one with a single click.

2. Social Media Import Import threads, posts directly to NotebookLM. Capture complete conversations, discussions, and social insights with full context, author information, and source URLs. Perfect for tracking trending topics, discussions, and professional content.

3. Highlight & Snipe Highlight any text on a webpage, right-click, and send it directly to NotebookLM as a new, perfectly-cited source. Perfect for capturing web insights and research snippets on the fly. Works on any website - no subscription required.

4. Import Tools (Pro Features) Sync all your Google Docs, import multiple URLs or open tabs at once, subscribe to RSS feeds, and bulk-import from CSV files. A built-in web crawler even discovers and pulls in linked pages automatically

5. Source Downloader Easily export all sources from a notebook into a single, convenient ZIP file. Select multiple sources from within a NotebookLM notebook and export them in PDF, Markdown, Text, or ZIP formats. Download individual sources or entire notebooks with one click.

6. Versatile Chat Export Export your entire Q&A history from within NotebookLM into clean Markdown, plain text, PDF, or JSON files. Copy conversations to clipboard for free, or use the export feature with checkbox selection to create curated briefings with only the messages you need. Toggle user messages on/off for cleaner exports.

7. Studio Notes & Artifacts Exporter Export AI-generated notes, study guides, quizzes, briefings, FAQs, and timelines from NotebookLM's Studio panel. Select multiple notes at once and export them in Markdown, Text, or PDF formats.

8. Audio Overview Manager Generate AI-powered podcast-style audio overviews of your research. Manage, download, and organize your audio overviews with custom titles and descriptions. Perfect for consuming your research on the go.

9. Podcast Feed Generator Create custom RSS podcast feeds from your NotebookLM audio overviews. Subscribe in your favorite podcast app and listen to your research anywhere. Automatic feed updates when new audio is generated.

10. Prompt Holder Save, organize, and manage your NotebookLM prompts with folders and tags. Create custom folders with color coding, add descriptive tags, search and filter prompts, and quickly access your saved prompts directly from NotebookLM. All prompts are securely synced across all your devices via cloud storage.

11. Advanced Dashboard

  • All Sources View: See all sources across all notebooks in one unified table with search, filtering, and bulk actions
  • Smart Notebook Search: Search and filter your notebooks directly from the NotebookLM dashboard with real-time search
  • Global Search (Ctrl+K): Instantly search across notebooks, sources, notes, and actions with keyboard shortcuts
  • Collections & Tags: Organize notebooks with custom collections and tags for better categorization
  • Favorites: Mark important notebooks as favorites for quick access

12. Automation Rules

  • Auto Researcher: Automatically trigger research based on notebook titles or source additions
  • Podcast Curator: Automatically generate audio overviews when conditions are met
  • Pipeline Automation: Chain multiple actions together for complex workflows

13. Source Management Delete sources from your notebooks with bulk selection. Remove unwanted or outdated sources to keep your notebooks clean and organized. Select multiple sources and delete them at once. Identify and remove "bad sources" that failed to process correctly.

14. Feature Management Customize your NotebookLM experience by toggling features on or off. Control which Kortex features appear in your interface to create a personalized workflow.

Get Support When You Need It: In-app support request system lets you get help directly from the extension. Submit support requests and receive assistance quickly.

Transform NotebookLM into your ultimate research and knowledge management hub with Kortex.

Extension profile

Version
v2.3.3
Size
5.26MiB
Languages
Deutsch · English · Türkçe and 8 languages in total
Updated
2026-08-13

User Growth Trend

Shared axis · hover for monthly values
Latest 100.0KMoM+0.0%
-36.0K72.0K108.0K26-0426-0526-07
2026-04
100.0K
—
2026-05
100.0K
+0.0%
2026-06
100.0K
+0.0%
2026-07
100.0K
+0.0%
2026-08
100.0K
+0.0%

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Data month: 2026-08 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.