How to Use NotebookLM, Now Called Gemini Notebook

NotebookLM became Gemini Notebook in July 2026. Here's how to set up a notebook, which sources it accepts, the free limits, and fixes when uploads...

AI Tools

Katamereka Tools – Until July 2026, Google’s research assistant was called NotebookLM. It’s now Gemini Notebook, but it still does the same core job: it answers questions using only the files, links, and notes you give it.

Google says old links and shared notebooks redirect automatically, so nothing breaks. This guide covers the free personal version as of October 27, 2026, on a computer browser. The mobile app may lack some features.

What Gemini Notebook Is Good For

It’s an AI chat that stays inside your own material instead of the whole internet.

Upload a syllabus, a long contract, or ten research papers, and it writes a summary of them. Then ask questions like “Which paper used the biggest sample?” and it answers from those sources.

Each notebook is separate. Google’s help center says it can’t read across two notebooks at once, so group related files together.

Check the Free Limits First

The free tier is generous for personal projects, according to Google‘s plan page.

PlanNotebooksSources per notebook
Standard (free)10050
Google AI Plus200100
Google AI Pro500300

Each source can hold up to 500,000 words, and uploaded files can be up to 200 MB. There’s no page limit, but copy-protected PDFs won’t import.

Two more requirements: a verified age on the Google Account, and a country among the 180-plus regions where the Gemini app is available. Work or school accounts need an admin to switch the app on.

Create Your First Notebook

Setup takes about a minute.

  1. Open Gemini Notebook in your browser.
  2. Select Create new notebook.
  3. In the pop-up, select Upload a source.
  4. Pick your files, then wait for them to process.

Later, add or remove material with Add sources in the Sources panel on the left.

Add the Right Kind of Sources

It accepts far more than PDFs, per Google‘s source guide.

  • Files: PDF, Word, PowerPoint, text, Markdown, CSV, ePub, and audio such as MP3 or WAV
  • Images: PNG, JPEG, WebP, and HEIC
  • Google Docs, Slides (up to 100 slides), and Sheets
  • Web links, public YouTube videos, and pasted text

There are catches. Web pages import as text only, and paywalled pages don’t work. YouTube videos need captions, since only the transcript comes in.

Google Drive files sync on their own every few minutes. Say you edit a Google Doc after adding it; the notebook catches up shortly after.

Ask Better Questions

Vague prompts get vague answers, even here.

Instead of “summarize this,” try “list every deadline mentioned, with the source file for each.” Specific requests make it easier to spot when an answer drifts from the material.

Check the answer against the original file before you rely on a number. AI summaries can still misread a table or merge two similar facts.

When It Doesn’t Work

Most failures come from the source, not the chat.

  • A PDF won’t import: check for copy protection, or a file over 200 MB.
  • A YouTube link fails: the video may lack captions or be less than 72 hours old.
  • A Drive file vanished: losing access to it breaks the source, though it still counts toward your 50.

Don’t upload documents your employer or school hasn’t cleared for AI tools. Check the policy first, especially for client or patient files.

Google is still rolling the new name across its apps, so the menus may shift again over the next few months.

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