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Kortex

Kortex

Organize, import + export NotebookLM sources with a click

Website kortex-notebooklm.com
Overview

What it is

Most extensions are basic web clippers. Kortex acts as an integration layer, bridging active AI chats with NotebookLM storage. Now it comes with extensive notebook management and automations which will take your workflow to next level. Unlike others, we focus on data freedom with bulk exports/imports to Markdown, and precision sniping to save specific text blocks rather than whole messy webpages.

Intent

I need it when

Save and organize AI conversations and research across multiple projects without losing insights

Kortex enables users to export NotebookLM chats and conversations into a unified, searchable knowledge base with nested folders, tags, and collections. Users can instantly save conversations that would otherwise disappear into chat history, creating a permanent second brain that grows with their research.

Build a reusable prompt library and standardize workflows across research projects

Kortex's Prompt Library feature lets users save their best prompts and create note templates with placeholder variables. These can be applied across notebooks and integrated into automation pipelines, ensuring consistent workflows and preventing the need to re-type prompts for every project.

Extract and reuse web content directly into NotebookLM without manual copying and pasting

Kortex's Highlight & Snipe feature and web crawler allow users to grab content from any webpage and send it directly into NotebookLM. The extension supports importing from 12+ platforms including Twitter/X, Reddit, LinkedIn, and Google Docs, bridging web research into a unified workspace.

Convert research notebooks into audio content for consumption on-the-go or podcast distribution

Kortex generates AI audio overviews of notebooks with customizable style and length, creates RSS-compatible podcast feeds, and provides a built-in player. Users can stream their notebooks as audio through Spotify, Apple Podcasts, or other podcast apps, making research accessible during commutes or workouts.

Automate repetitive knowledge management tasks like bulk imports, exports, and source organization

Kortex provides automation pipelines with 8 triggers and 11 actions, allowing users to bulk import from CSV, RSS feeds, and browser tabs; bulk export notebooks as Markdown; and automatically route sources to designated notebooks based on URL patterns. This eliminates manual click-heavy workflows.

Drop

Not a fit when

  • User does not use NotebookLM or Google's AI tools as their primary knowledge management platform
  • User needs offline-only functionality without cloud synchronization across devices
  • User requires enterprise SSO and advanced security features beyond Pro tier capabilities
  • User works exclusively with non-web-based content sources and has no need for web crawling or social media imports
  • User prefers a standalone knowledge base tool rather than a NotebookLM extension or add-on
Commercials

Pricing

Freemium with monthly and yearly subscription options, plus lifetime purchase and team plans View pricing