Download youtube video(google chrome)

1. open google chrome
2. go to "http://www.chromeextensions.org"
3. search for youtube downlaoder.
4. select the extention "Ultimate Youtube Downloader", most probably it will be the first search result.
5. after installation completes go and play any youtube video, a download button will appear below the video..

i personally found it better than idm!

plz hit like if it helped
If you face any kind of problem plz comment and i would love to resolve your problem........