Download YouTube videos without any down-loader application with all formats.

Download YouTube videos without any down-loader application with all formats.

Go to the official website of Mozilla Firefox and then go to extension see below link,

https://addons.mozilla.org/en-US/firefox/extensions/

  Click on below

 

Then click to add to Firefox

 

Install add-ons

Then restart Firefox

Go to YouTube video and click as shown below 

Now you can download any YouTube videos without any tool/application/software.  You have download button on every YouTube video.