Shareplus Download videos offers you the opportunity to download your favorite videos from Facebook, Instagram, Vimeo, YouTube without the need to use an API from these sites. It also has a search engine that can search YouTube videos with a function similar to that used by Google to look for data from the network known as spider what this system does is search the entire site and extract the data that you want.
Demo: https://codecanyon.net/item/shareplus-is-to-download-videos-from-youtube-facebookinstagram-and-video-search/21364721