How to add download button in all Youtube videos
It is very convenient to add a download button extension for all Youtube videos, then you can download any video by just one click of the button on youtube like this:
You can follow the tutorial here to add the download button: https://distillvideo.com/extension
Also, you can even add a bookmarklet to your web browser to download any video from any site, just following tutorial here:
Very simple, just have a try. Have fun.