YouTube videos are streaming media and downloading videos from YouTube with unofficial user interface seems to breach the Terms of Service. However, there exists a couple of ways as follows to do so with ease.

• Ways to download Youtube videos
  • Chrome
    • Loosening security settings: “C:\Program Files (x86)\Google\Chrome\Application\chrome.exe” –enable-easy-off-store-extension-install
    • Install Chrome extension: YouTube HD Suite
  • Firefox
    • Install add-on Greasemonkey as Firefox extension
    • Install YouTube HD Suite
• Legal concerns
  • Youtube Terms of Service
  • Downloading videos from YouTube has always been a breach of the site’s Terms of Service
  • The Copyright (Infringing File Sharing) Amendment Act: What schools should know