# Kaptex > Chrome extension for Google NotebookLM. Captures sources from Claude, ChatGPT, Perplexity, YouTube, Reddit, and any webpage into NotebookLM notebooks with one click — without leaving the current tab. Free tier: 10 saves/day. Pro: $36/year. Lifetime: $49. ## Product - [Kaptex](https://kaptex.io): Chrome extension homepage. Features, pricing, and install link. - [Pricing](https://kaptex.io/pricing): Free, Pro ($3/month, $36/year), and Lifetime ($49) plan details. - [FAQ](https://kaptex.io/faq): Common questions about setup, privacy, supported sites, and workflow. ## Key Features - One-click capture on Claude, ChatGPT, Perplexity, YouTube, Reddit, and any webpage - Saves full AI conversation text (not URLs — which are private and expire) - Reddit thread capture as structured Markdown (post + top comments) - Bulk URL import and browser tab sweep (import all open tabs at once) - File uploads: .txt, .md, .csv, .html, .json - Persistent Chrome side panel — notebook stays selected across tabs - Notebook browsing, creation, and source management without opening NotebookLM ## Free Tools - [NotebookLM Watermark Remover](https://kaptex.io/notebooklm-watermark-remover): Free client-side tool to remove the NotebookLM logo/watermark from PDF slide decks and PPTX presentations. No signup, no upload — processing happens entirely in the browser. ## Blog - [Why I Built a NotebookLM Chrome Extension](https://kaptex.io/blog/why-i-built-kaptex-notebooklm-chrome-extension): Founder story, product overview, and the workflow problem Kaptex solves. By Jon Kraayenbrink. - [Best Chrome Extensions for NotebookLM in 2026](https://kaptex.io/blog/best-chrome-extensions-notebooklm-2026): Honest comparison of Kaptex, NotebookLM Web Importer, Kortex, NLM Tools, and YouTube to NotebookLM — with real features, pricing, and use-case guidance. ## FAQ Highlights - [Save AI Conversations to NotebookLM](https://kaptex.io/faq/save-ai-conversations-to-notebooklm): How Kaptex captures Claude and ChatGPT conversations as raw text sources. - [Kaptex vs NotebookLM Web Importer](https://kaptex.io/faq/kaptex-vs-notebooklm-web-importer): Feature comparison — AI capture, Reddit, file uploads, tab sweep. - [Is Kaptex Safe?](https://kaptex.io/faq/is-kaptex-safe): Permissions explanation, privacy policy, no background scraping. - [Chrome Safe Browsing Warning](https://kaptex.io/faq/chrome-safe-browsing-warning): Why new extensions get this warning and what it means. ## Supported Languages - English - Spanish ## Creator Jon Kraayenbrink — solo founder, builder. Contact: kaptex.io/support