If you are an AI agent, LLM, or automated tool, a clean Markdown version of this page is available at https://www.kortex-notebooklm.com/tools.md

Free tools for Gemini Notebook

No signup, no API keys, instant results. Planners, prompt packs and checklists for Gemini Notebook (formerly NotebookLM).

Gemini Notebook Prompt Library

Browse, search, and copy 50 top prompts used by researchers worldwide. Filtered by category.

Prompt Library

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AllResearchLearningAudio OverviewWritingBusiness

Cross-Source Synthesis Research

Analyze all inputs and generate 5 essential questions that, when answered, capture the main points and core meaning of all inputs.

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Feynman Explainer Learning

Explain the uploaded material as if you were teaching a curious 7th-grade student. Use simple language and short sentences.

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Tight 3-Minute Brief Audio Overview

Generate a 3-minute brief Audio Overview focusing only on [SPECIFIC TOPIC]. Skip the introduction and go straight to the main points.

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Turn a subject into sources to add, prompts to run and a weekly routine you can keep.

Study Guide Generator

Pick a subject and level — get exact sources to add, prompts to run, and a weekly study routine for Gemini Notebook.
Learning OS Builder

Build a full Gemini Notebook learning system: weekly routine, notebook structure, and prompts for every stage of learning.

Prompt packs and ready-made setups for literature reviews, market research and video sources.

Research Prompt Builder

Get a ready-to-paste Gemini Notebook prompt pack for your research type — literature review, thesis, market research, and more.
Market Research Templates

Get a complete Gemini Notebook research setup for competitor analysis, market sizing, due diligence, and more.
YouTube → Gemini Notebook Workflow

Get a step-by-step workflow for importing YouTube content into Gemini Notebook with exact prompts to run after.

Turn what you found into posts, threads, newsletters and Audio Overviews.

Research-to-Content Planner

Turn Gemini Notebook research into blog posts, LinkedIn threads, newsletters, and more — with exact prompts per format.
Audio Overview Planner

Get a custom source setup and Audio Overview prompt optimized for your content type and audience.

Plan a notebook system before it sprawls, then check how the one you have is holding up.

Second Brain Setup Planner

Answer 5 questions and get a personalized Gemini Notebook architecture: notebook names, folder structure, and intake workflow.
Knowledge Base Health Check

Answer 8 yes/no questions and get a score out of 100 plus a personalized fix list for every gap in your system.

Install Kortex in under a minute. It works inside the Gemini Notebook you already use, free forever for the basics.

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