Youtube doesn’t allow users to download video’s, it was designed to only allow online watching. However, many users want to save their favorite videos to their computer, so they can watch them later. The people demand pushed developers to create such services which allows you to simply download any video into your computer. And here are the most popular and simplest one:
1. Online Video Downloader
Keepvid – a free web application that allows you to download video and audio content not only from Youtube but from almost all the sites which share video content (Facebook, Twitch, Vimeo, Dailymotion, VK, seenive and others). All you need to do is to paste the link to the video in the download box and click the Download button. link
2. Online Audio Downloader
YouTube mp3 – They call themselves “the easiest online service for converting video to mp3”, but what can be easier then pasting a youtube link into a box and clicking a button to process and generate a new download link? link
3. Computer Application
Clip Grab – a free downloader and converter application, it downloads the video and depending on your requirements can transform it to MPEG4 (video) or MP3 (audio) or even other formats. It’s available for Windows, Mac or Linux and it’s easy to use. Download & install it. Application’s concept is similar above sites. Copy the link from youtube, open the App, at the Downloads tab paste the link, choose the Format in which you want the video to be converted, choose the Quality and press Grab this clip! That’s all.