---
title: "Notebook OS – Chrome extension stats, history and permissions"
description: "499 users, rated 5.00 by 4 people. Version 2.6.4, updated 2026-09-19. Requests 32 permissions."
url: "https://extensiontracker.com/extension/kjpnlkmamdilgopmcnheegoipmnpofmj"
---

# Notebook OS

Live in the Chrome Web Store.

- Users: 499
- Rating: 5.00 from 4 ratings
- Last checked: 2026-09-27 04:24 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #33,887 of 264,703 live extensions
- Rank in Tools: #9,467 of 103,498

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Supercharge NotebookLM with folders, tags, concept maps, YouTube & academic search, Web Snip, and a side-panel Note Studio.

- Extension ID: `kjpnlkmamdilgopmcnheegoipmnpofmj`
- Developer: [Med Lang Fanatic](https://extensiontracker.com/developer/ud85f3fb6b7f7b9576d09468f084642d8)
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2026-07-08
- Last updated: 2026-09-19
- Version: `2.6.4`
- Size: 741 KiB
- Minimum Chrome: 88
- Languages (1): English
- Support page: `www.notebook-os.com`
- Chrome Web Store: <https://chromewebstore.google.com/detail/notebook-os/kjpnlkmamdilgopmcnheegoipmnpofmj>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fkjpnlkmamdilgopmcnheegoipmnpofmj>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 499 | 5.00 | 4 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

### Sites

- `https://*.coursera.org/*`: coursera.org and its subdomains
- `https://*.edx.org/*`: edx.org and its subdomains
- `https://*.linkedin.com/*`: linkedin.com and its subdomains
- `https://*.udemy.com/*`: udemy.com and its subdomains
- `https://accounts.google.com/*`: accounts.google.com
- `https://api.biorxiv.org/*`: api.biorxiv.org
- `https://api.crossref.org/*`: api.crossref.org
- `https://api.openalex.org/*`: api.openalex.org
- `https://api.semanticscholar.org/*`: api.semanticscholar.org
- `https://api.unpaywall.org/*`: api.unpaywall.org
- `https://clinicaltrials.gov/*`: clinicaltrials.gov
- `https://europepmc.org/*`: europepmc.org
- `https://lh3.google.com/*`: lh3.google.com
- `https://lh3.googleusercontent.com/*`: lh3.googleusercontent.com
- `https://medlangfanatic-be.onrender.com/*`: medlangfanatic-be.onrender.com
- `https://medlangfanatic.com/*`: medlangfanatic.com
- `https://notebook.google.com/*`: notebook.google.com
- `https://notebooklm.google.com/*`: notebooklm.google.com
- `https://translate.googleapis.com/*`: translate.googleapis.com
- `https://www.biorxiv.org/*`: www.biorxiv.org
- `https://www.ebi.ac.uk/*`: www.ebi.ac.uk
- `https://www.medlangfanatic.com/*`: www.medlangfanatic.com
- `https://www.medrxiv.org/*`: www.medrxiv.org
- `https://www.youtube.com/*`: www.youtube.com

### Sites where it runs scripts

- `https://notebook.google.com/*`: notebook.google.com
- `https://notebooklm.google.com/*`: notebooklm.google.com

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `debugger`: Use Chrome's debugger on your tabs, which gives full control of their pages
- `downloads`: Manage your downloads
- `scripting`: Run scripts on sites it can reach
- `sidePanel`: Show a side panel
- `storage`: Save settings and data in your browser
- `tabs`: Read the addresses and titles of your tabs
- `unlimitedStorage`: Store more data than the usual limit

### Asked for later, if you agree

- `<all_urls>`: Every website

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-09-27 04:24 UTC; next check around 2026-10-02.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “Notebook OS” (kjpnlkmamdilgopmcnheegoipmnpofmj). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/kjpnlkmamdilgopmcnheegoipmnpofmj. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_kjpnlkmamdilgopmcnheegoipmnpofmj,
  title   = {Notebook OS (kjpnlkmamdilgopmcnheegoipmnpofmj)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/kjpnlkmamdilgopmcnheegoipmnpofmj},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/kjpnlkmamdilgopmcnheegoipmnpofmj>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.