How to save youtube videos in gallery 

You can download Youtube videos for free. It is possible by using a website ie, Savefrom.net
 
How can be used this website. It is discussed in the above: 

Step 1: Open Youtube and select which video is want to save in your Gallary.
 
Step 2: After selecting the video then copy the url link by using share button option. 

Step 3: Then open savefrom in your web browsers. 

Step 4: Next Enter the url link ie, paste Youtube url link.

Step 5: Then select Download button and download the video. 


Note: Iam not promoting any sites that against google policies. It just an educational information. Only education purpose.