Remove SavePages Ads - Get Rid of Ads by SavePages from the Computer Completely

So I mustve downloaded something but ive got an extension on my google chrome now called "SavePages" and basically it constantly pops up adverts whenever I click somewhere on a page. Any help would be great.

What is SavePages ?

What is SavePages ? How can this infection get into the computer? How to blocking the ads and remove SavePages related contents from the computer completely？