Chrome Web Store

11Versions

0Code reviewed

Not reviewed

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What our analysis found

My NotebookLM is not yet reviewed by Extension Auditor. It was last updated in September 2026.

My NotebookLM Chrome extension security report

ID: mmacmacicbjjigjjndhkeajpgbmpkbpb

Supported Languages

🇯🇵Japanese

Extension Info & Metadata

Status

Active

Version

1.2.31

Size

15.02 MB

Rating

0.0/5

Reviews

Users

432

Type

Extension

Updated

Sep 19, 2026

Publisher Contextual Analysis

Author: takayoshi.iwata
Privacy: Privacy Policy
MX records exist: Yes
Domain exists: Yes
Is disposable: No
Is role-based: No
Mailbox exists: Yes

Extensions

Active

Obsolete

Listed

Unlisted

Users

432

Screenshots & videos

Install growth

User Growth

Showing data from Apr 13, 2026 to Oct 25, 2026

Versions

+22.13%(+77 users)

Compared to 3 months ago

11 versions released in this period

Rating Count

Total: 0 ratings

Average Rating

Current: 0.00 / 5.0

See plans

React Flow

Internal permhash`0bfed8c7c6…`
No malicious matches

No other extension carries this fingerprint.

Permhash (Mandiant)`3bfa2cb337…`
Too common to be evidence

1,159 other extensions carry this fingerprint, 57 of them known malicious. A permission set this common is not evidence on its own; the most installed members are listed for reference.

Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
+1,152 more

Item	Type	Severity	Description
downloads	Permission	High	This permission controls file downloads and accesses download history. Rated High because it can download malicious files, access sensitive downloaded documents, and track user download patterns.
Contextual Risk Factors	Risk Factor	High	The following context increases the overall risk: • 19% increase: Access to sensitive domains increases potential impact
storage	Permission	Medium	This permission allows storing data locally in the browser. Rated Medium because it can persist sensitive user data, track user activities over time, and potentially store malicious payloads.
https://notebooklm.google.com/*	Host	Medium	Host permission — access limited to this URL pattern.
https://notebook.google.com/*	Host	Medium	Host permission — access limited to this URL pattern.
https://chatgpt.com/*	Host	Medium	Host permission — access limited to this URL pattern.
https://gemini.google.com/*	Host	Medium	Host permission — access limited to this URL pattern.
Access to Sensitive Domains	Risk Factor	Medium	This extension requests access to sensitive domains: https://notebooklm.google.com/, https://notebook.google.com/, https://gemini.google.com/*

Sensitive Domain Access

This extension has access to the following sensitive domains:

https://notebooklm.google.com/*
https://notebook.google.com/*
https://gemini.google.com/*

About this extension

NotebookLM用の拡張機能。削除ボタン・同期・チャットエクスポート機能を提供します。

Read the publisher’s full description

My NotebookLM は、NotebookLM の日常操作を効率化するための Chrome 拡張機能です。 NotebookLM 画面上で、必要な操作をすばやく実行できます。主な機能メモ/レポートのダウンロード: Markdown・HTML・PDF 形式で保存チャットのダウンロード: 単一会話または全体を Markdown・HTML・PDF 形式で保存同期サポート: NotebookLM 上で「同期」を実行ソース選択削除: 不要なソースを選択して一括削除対象サイト notebooklm.google.com のみで動作します権限についてストレージ: 機能の ON/OFF 設定を保存するために使用ダウンロード: エクスポートファイルを保存するために使用タブ/アクティブタブ: NotebookLM タブの検出と同期実行のために使用 notebooklm.google.com へのアクセス: 対象サイトで機能を提供するために使用

User reviews

Extension files

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No network indicators were extracted from this version.

Version	Size	Verdict	Findings	Permhash
1.2.31 Latest	15.02 MB	Not scanned	—	3bfa2cb337f5c0a346215bbd489850aa4d5644a17cd0ff134d1959410f482284
1.2.30	15.02 MB	Not scanned	—	3bfa2cb337f5c0a346215bbd489850aa4d5644a17cd0ff134d1959410f482284
1.2.29	15.02 MB	Not scanned	—	3bfa2cb337f5c0a346215bbd489850aa4d5644a17cd0ff134d1959410f482284
1.2.28	14.95 MB	Not scanned	—	3bfa2cb337f5c0a346215bbd489850aa4d5644a17cd0ff134d1959410f482284
1.2.27	14.86 MB	Not scanned	—	3bfa2cb337f5c0a346215bbd489850aa4d5644a17cd0ff134d1959410f482284
1.2.26	14.86 MB	Not scanned	—	3bfa2cb337f5c0a346215bbd489850aa4d5644a17cd0ff134d1959410f482284
1.2.24	14.35 MB	Not scanned	—	92fac9b90f4bfc084282eae99395b3dbf5cb827fae652f47c3c2c05728dbdc03
1.2.23	14.35 MB	Not scanned	—	92fac9b90f4bfc084282eae99395b3dbf5cb827fae652f47c3c2c05728dbdc03
1.2.19	14.32 MB	Not scanned	—	82b2cfdf47c586e9bef043df3eb77011633d241f3e8ddaab4029a8ef73afd0e3
1.2.17	14.31 MB	Not scanned	—	82b2cfdf47c586e9bef043df3eb77011633d241f3e8ddaab4029a8ef73afd0e3

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Code Diff

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What our analysis found