Could not publish the extension to chrome market app because my country is not in the list of countries for billing re I will describe how to install the extension manually.

Download the extension from here and then unzip

visit chrome://extension in your chrome browser

Enable developer mode

Click on load unpacked

Locate the downloaded extension and click on select folder. if successfully loaded you should see this:

That's all

Note: Make sure to login to your account before using the extension And for more instructions on how to use the extension visit here