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4 indicators in this extension

4 indicators
0 versions analysed

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What our analysis found

NTU COOL Video Downloader is not yet reviewed by Extension Auditor. Its permissions mean it can observe network requests. It was last updated in September 2026.

NTU COOL Video Downloader

NTU COOL Video Downloader Chrome extension security report

ID: hbmhcpfcjdbgokaloffibmehefkdjdap

Supported Languages

🇹🇼Chinese (Traditional)
🇺🇸English

Extension Info & Metadata

Status
Active
Version
1.2.8
Size
0.11 MB
Rating
0.0/5
Reviews
0
Users
9
Type
Extension
Updated
Sep 22, 2026
Category
Tools
Price
Free
Featured
No
Visibility
Listed
Mature
No
By Google
No
Trusted
No
Download CRX
Chrome Web Store
Report Issue
This publisherTrack record
1extension
All still listed

Publisher Contextual Analysis

Author
swear01
Privacy
Privacy Policy
Help
Help Center
Country
TW
MX records exist
Yes
Domain exists
Yes
Is disposable
No
Is role-based
No
Mailbox exists
Yes
Address
中山路三段37巷10號12樓 中和區, 新北市 235601 TW
Website
Visit
Extensions
1
Active
1
Obsolete
0
Listed
1
Unlisted
0
Users
9

Screenshots & videos

Screenshot 1

Install growth

Item
Type
Severity
Description
webRequest
Permission
Critical
This permission enables the extension to monitor and analyze all web requests made by the browser. Rated Critical because it can observe all network traffic including sensitive data, track browsing behavior, and gather authentication tokens.
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.
offscreen
Permission
High
This permission creates hidden browser documents with full DOM access. Rated High because it can run background operations invisibly, potentially executing malicious code without user awareness.
activeTab
Permission
Medium
This permission grants temporary access to the current tab. Rated Medium because it can access current page content when invoked, though limited to user-initiated actions.
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://*.dlc.ntu.edu.tw/*
Host
Medium
Host permission — access limited to this URL pattern.
alarms
Permission
Low
This permission schedules periodic tasks. Rated Low because it can only trigger events at specified times without access to sensitive data.
contextMenus
Permission
Low
This permission adds items to browser context menus. Rated Medium because it only modifies right-click menus without access to page content.

4 indicators in this extension

4 indicators
0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

Unlock this report — $4.99Start 7-day trial — all reports
One-time payment · Secure checkout by Stripe

About this extension

Download native NTU COOL videos as MP4 files.

Read the publisher’s full description

NTU COOL Video Downloader is a small, focused Chromium extension that saves native NTU COOL course videos you are already authorized to watch as MP4 files with audio. Sign in to NTU COOL normally, open a native video, and press the extension download button. You can also open the batch page from the extension context menu and paste multiple direct video-page URLs. The extension selects the highest resolution offered by the platform, downloads and combines video and audio in the browser, then hands the finished file to the browser's normal download manager. • Does not automate login or read cookies or passwords • Does not bypass login, access control, or DRM • Does not support YouTube embeds • No analytics, telemetry, ads, or external services • All MP4 assembly happens locally in your browser • English and Traditional Chinese UI, following light or dark mode • Only for content you are legally authorized to access This is an independent open-source project and is not affiliated with or endorsed by National Taiwan University.

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Extension files

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URLs
4

URLs

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No URLs found
No IP addresses found

4 indicators in this extension

4 indicators
0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

Unlock this report — $4.99Start 7-day trial — all reports
One-time payment · Secure checkout by Stripe
Version
Size
Verdict
Findings
Permhash
1.2.8
Latest
0.11 MBNot scanned—
d2bf618bcd17759fc167b0dd79ce9ad407df6003e9ac827087f9b3f136982057
1.2.5
0.11 MBNot scanned—
d2bf618bcd17759fc167b0dd79ce9ad407df6003e9ac827087f9b3f136982057
1.2.1
0.10 MBNot scanned—
d2bf618bcd17759fc167b0dd79ce9ad407df6003e9ac827087f9b3f136982057
1.2.0
0.10 MBNot scanned—
d2bf618bcd17759fc167b0dd79ce9ad407df6003e9ac827087f9b3f136982057
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