Is NTU Cool 影片下載小工具 safe?

Clean risk

NTU Cool 影片下載小工具 sends YouTube-backed NTU Cool video URLs to yt-dl-web.vercel.app for resolution.

When used on NTU Cool course video pages, the extension observes the video request, fetches the course video API, and reads the returned source URL. If that source is a YouTube URL, it sends the URL to yt-dl-web.vercel.app to resolve a downloadable media link before showing it in the popup.

3Risk

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

What it can do

Permissions this extension asks for, as declared in version 1.0. Asking for a permission is not a finding on its own - it is what the extension can do if it chooses to.

  • Read and change your data on cool.ntu.edu.tw

    https://cool.ntu.edu.tw/*

  • Read and change your data on cool-video.dlc.ntu.edu.tw

    https://cool-video.dlc.ntu.edu.tw/*

  • Read and change your data on yt-dl-web.vercel.app

    https://yt-dl-web.vercel.app/*

  • Read and change your data on every secure site you visit

    https://*/*

  • Attach to pages with the browser's debugger, which can read and rewrite anything on them

    debugger

  • See the address and title of every tab you have open

    tabs

Where it sends data

Destinations our analysis observed NTU Cool 影片下載小工具 contacting. Sending data somewhere is not a finding on its own - an extension that syncs your settings has to talk to its own server - but it is where your data can go, and who else it goes to.

  • yt-dl-web.vercel.app

    NTU Cool 影片下載小工具 sends data to yt-dl-web.vercel.app. No other extension we have analysed sends data here.

Updated 30 September 2026nkncpjepiopdnibbcflhfjbdjicdpabj