---
title: "NotebookLM Source Auto Updater – Chrome extension stats, history and permissions"
description: "236 users, no ratings yet. Version 1.1, updated 2026-05-22. Requests 1 permission."
url: "https://extensiontracker.com/extension/jfpmblpfopachggbfebnfkebleegbhfp"
---

# NotebookLM Source Auto Updater

**Removed from the Chrome Web Store on 5 Nov 2026.** This extension is no longer available on the Chrome Web Store. It may have been removed by the developer or taken down by Google. It has left the store's daily lists, and the store no longer offers it for Chrome to install. The figures are as last seen on 18 Oct 2026.

- Users: 236
- Rating: no ratings yet
- Last checked: 2026-10-18 08:49 UTC
- Users gained in 7 days: No change
- Users gained in 30 days: +12 (+5.4%)

## The listing

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

Summary from the listing:

> NotebookLMのソースを一括で再同期します。Googleドライブのドキュメント更新を検知し、ワンクリックで同期を実行します。

- Extension ID: `jfpmblpfopachggbfebnfkebleegbhfp`
- Developer: [master](https://extensiontracker.com/developer/ua0bd986f3366825ae2aeef3815047005)
- Enhanced Safe Browsing: Not trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Make Chrome Yours › Accessibility](https://extensiontracker.com/category/make_chrome_yours/accessibility)
- First published: 2026-02-03
- Last updated: 2026-05-22
- Version: `1.1`
- Size: 17.56 KiB
- Minimum Chrome: 88
- Languages (1): 日本語
- Website: `https://officeforest.org/`
- Support page: `https://officeforest.org/wp/?p=41654`
- Search Google for the ID: <https://www.google.com/search?q=%22jfpmblpfopachggbfebnfkebleegbhfp%22&tbs=li:1>
- Archived copies of the listing: <https://web.archive.org/web/*/https://chromewebstore.google.com/detail/notebooklm-source-auto-up/jfpmblpfopachggbfebnfkebleegbhfp*>
- Archived copies at the store's old address: <https://web.archive.org/web/*/https://chrome.google.com/webstore/detail/notebooklm-source-auto-up/jfpmblpfopachggbfebnfkebleegbhfp*>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-10-18 | 236 | – | – |
| 2026-09-27 | 224 | – | – |

## What changed

Every change found on a check, newest first.

- 2026-11-06: Removed from the Chrome Web Store.
- 2026-11-06: No longer trusted by Enhanced Safe Browsing.

## Developer history

Moves to another publisher account and new contact emails, newest first.

No move to another account and no new contact email since tracking began on 2026-09-27.

We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/).

## What it can access

From the extension's manifest, in plain language.

### Sites where it runs scripts

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

### Browser features

- `activeTab`: The tab you're on, only after you click the extension

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [X NG Blocker](https://extensiontracker.com/extension/gmkbgfpjgnnjbfbhifheedfbnkkihblf) | 134 | 5.00 | 3 | Communication |
| [Gemini Enter Blocker](https://extensiontracker.com/extension/gilebpngdaihmejfajincfegdaoaooka) | 39 | – | – | Tools |
| [X Timeline Tracker](https://extensiontracker.com/extension/oiacjcglpjmpphhieokdaihfchiimlcc) | 5 | – | – | Tools |
| [AI Mode Blocker for Search](https://extensiontracker.com/extension/acfikmieopbgkoeadpcpapflcaamleje) | 2 | – | – | Accessibility |
| [Phishing Guard（キリル文字・IDN警告）](https://extensiontracker.com/extension/mlkaogdleiekelpbcmgfegobmeolpfni) | – | – | – | Privacy & Security |

All 6 extensions by [master](https://extensiontracker.com/developer/ua0bd986f3366825ae2aeef3815047005).

## 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 2026-10-18 08:49 UTC.

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

## Cite this page

Extension Tracker. “NotebookLM Source Auto Updater” (jfpmblpfopachggbfebnfkebleegbhfp). Chrome Web Store data, last checked 2026-10-18. https://extensiontracker.com/extension/jfpmblpfopachggbfebnfkebleegbhfp. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_jfpmblpfopachggbfebnfkebleegbhfp,
  title   = {NotebookLM Source Auto Updater (jfpmblpfopachggbfebnfkebleegbhfp)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-10-18},
  url     = {https://extensiontracker.com/extension/jfpmblpfopachggbfebnfkebleegbhfp},
  urldate = {2026-11-13}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/jfpmblpfopachggbfebnfkebleegbhfp>. 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. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.