---
title: "NotebookLM Manager: Organize, Bulk Delete & Find Duplicates – Chrome extension stats, history and permissions"
description: "102 users, no ratings yet. Version 1.0.5, updated 2026-09-25. Requests 3 permissions."
url: "https://extensiontracker.com/extension/effanbigogbehgfiikhinpaglijhmkfh"
---

# NotebookLM Manager: Organize, Bulk Delete & Find Duplicates

Live in the Chrome Web Store.

- Users: 102
- Rating: no ratings yet
- Last checked: 2026-09-27 00:23 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #65,416 of 264,700 live extensions
- Rank in Workflow & Planning: #13,986 of 44,474

## The listing

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

Summary from the listing:

> Organize NotebookLM sources in a smart sidebar: view all labels, bulk delete sources and find duplicates in one click.

- Extension ID: `effanbigogbehgfiikhinpaglijhmkfh`
- Developer: [davidson.f.silva](https://extensiontracker.com/developer/ue64c98a40072855a1093f04066e0e5d5)
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2026-05-27
- Last updated: 2026-09-25
- Version: `1.0.5`
- Size: 26.8 KiB
- Minimum Chrome: 88
- Languages (2): English, português (Brasil)
- Support page: `https://notebooklm-manager.vercel.app`
- Chrome Web Store: <https://chromewebstore.google.com/detail/notebooklm-manager-organi/effanbigogbehgfiikhinpaglijhmkfh>
- View the code or download the CRX, in CRX Peek: <https://crxpeek.com/?id=effanbigogbehgfiikhinpaglijhmkfh>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 102 | – | – |

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

### Sites where it runs scripts

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

### Browser features

- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [LinkedIn CV Generator](https://extensiontracker.com/extension/jndjcihjnekmaphbpepoddmbpddkfflh) | 72 | – | – | Tools |
| [DIO Focus Player — não oficial](https://extensiontracker.com/extension/gehjoklpbkeheebhlngigfkhbpboibfi) | 26 | – | – | Tools |

All 3 extensions by [davidson.f.silva](https://extensiontracker.com/developer/ue64c98a40072855a1093f04066e0e5d5).

## 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 00:23 UTC; next check around 2026-10-10.

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

## Cite this page

Extension Tracker. “NotebookLM Manager: Organize, Bulk Delete & Find Duplicates” (effanbigogbehgfiikhinpaglijhmkfh). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/effanbigogbehgfiikhinpaglijhmkfh. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_effanbigogbehgfiikhinpaglijhmkfh,
  title   = {NotebookLM Manager: Organize, Bulk Delete & Find Duplicates (effanbigogbehgfiikhinpaglijhmkfh)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/effanbigogbehgfiikhinpaglijhmkfh},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/effanbigogbehgfiikhinpaglijhmkfh>. 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`.