Though the most popular online video sharing site is YouTube, most online video downloaders online work with the Google-owned service.
These programs were designed specifically for downloading from multiple popular online video downloading sites such as Dailymotion, Veoh, VimeoBrain, Break.com, Buzznet, Comedy.com, Crackle, EngageMedia, ExpoTV, Funnyordie.com, Flickr, Fotki, Gawkk, Hulu, Lafango, Liveleak, Mail.ru, MaYoMo, Mefeedia, Metacafe, Mevio, Myspace, MyVideo, OneWorldTV, Openfilm, Ourmedia, Panopto, Photobucket, Podblanc, Redtube, Revver, Rambler Vision, ReelTime.com, RuTube, Sapo Videos (Portuguese), SchoolTube, ScienceStage, Sevenload, SmugMug, TroopTube, Twitvid, Veoh, Viddler, Videojug, Videolog (Portuguese) and Vidoosh.
Note that not every program can download from every site so we urge you to test out several different programs in order to figure out what works best for you.
Convert your videos to various different formats for usage on mobile devices.
aTube Catcher can download YouTube videos, convert YouTube video files, download from multiple video sites and extract music from YouTube.