Best NotebookLM Extension (Gemini Notebook) - ExtendLM Alternatives in 2026
NotebookLM Extension (Gemini Notebook) - ExtendLM is a strong option, but it is not the right fit for everyone. Below are 0 alternatives compared on rating, install base, pricing and the use case each one actually wins on.
About NotebookLM Extension (Gemini Notebook) - ExtendLM
Boost productivity and save time on importing sources and managing your notebooks, allowing you to focus on research with this free extension. Supports multiple Google accounts, automatic syncing with Google Drive files, folders, tags and a prompts manager. MCP (Model Context Protocal) for connecting AI agents is also available (beta). 🌐 Quick Import - Import any web page while browsing - Instantly save any web page to NotebookLM as PDF, TEXT, or URL (link), even those pages behind paywalls. - YouTube Videos - Add entire channels or playlists. One-click import of videos while watching on YouTube. - Record Audio - record your online meetings, your browser tab or microphone and upload the recorded audio directly to your notebook or download to your computer as audio file. - Search and bulk import supported for Claude, ChatGPT, Perplexity and other AI chatbots (with auto-sync option), one click import is also supported. - PDF Files - One-click conversion of web-pages to PDF, download or use as sources.
Comparison at a glance
| Extension | Rating | Users | Pricing | Best for |
|---|---|---|---|---|
| NotebookLM Extension (Gemini Notebook) - ExtendLM (original) | 4.8 | 60K+ | Free | Gemini Notebook extension: folders, tags, custom prompts, bulk notebook and source management, merging, bulk imports and more. |
NotebookLM Extension (Gemini Notebook) - ExtendLM alternatives in detail
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Frequently asked questions
What is the best alternative to NotebookLM Extension (Gemini Notebook) - ExtendLM?
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Is there a free alternative to NotebookLM Extension (Gemini Notebook) - ExtendLM?
Most options in this category are freemium, with a usable free tier for evaluation.