Now, it start downloading. And the downloaded video will be in MP4. You may have a try now! This detailed tutorial may be helpful for you:http://www.any-video-converter.com/free-youtube-downloader-and-converter.php
OK, I am an iPad Air user, and love movies so much that I almost use my iPad Air just as a video player. I will share some useful tips about enjoying movies on iPad Air. This is one of them: how to download Youtube video in MP4 format for iPad Air.
I think this tutorial maybe helpful, because I see many guys usually downloading Youtube first, then converting the downloaded video to MP4 for their iPad/iPhone/iPod. This is annoying. Why not simply download the Youtube video in MP4? So, here is how I do that:
Step 1: Change the online video format to "Manually Select"