From Optflux
If you’d rather do without the headache of downloading a certain download facebook videos to download your selected YouTube video, you can always readily online tool. Nevertheless, there are several web-based download platforms for YouTube, GetanyVideo is our current favorite. It’s clean and fast and won’t perhaps you have clicking through pages which spawn popups or another intrusive ads.
Step one: Discover the YouTube video you want to download and copy its URL in the address bar on top of your browser window.
Step 2: See a GetanyVideo webpage.
Step 3: Paste it in the bar that reads “Enter the video's link...”
Step 4: Select your best video format and click the respective blue “Download” button about the right-hand side.