There are a lot of videos on youtube. However, it requires Internet connection to watch videos on Youtube. It costs mobile data usage and it requires Internet connection. A good way is to download videos from Youtube, you can then transfer and watch videos offline.
The YouTube downloader is easy to use. Just few mouse clicks and you can download any videos from YouTube. You can also download videos in batch, or download whole playlist from YouTube. The YouTube downloader can download any videos in format such as mp4, mov, avi, wmv, avchd and play them offline on devices such as mobile phones, Windows computer, tablet, iPhones, Android phones, Windows computers, etc.
You can also use YouTube Downloader to download videos from other websites such as Facebook, Twitter, Instagram, etc.More information
Best way to automate computer tasks
How to recover deleted camera photos