This is how it works
Pricezilla is a browser add-on that helps you save money when you shop online. When you access a product on an online store of your choosing, Pricezilla recognizes the product you're viewing and instantly searches for it in thousands of online stores. The toolbar then shows up at the top of your browser and you get to see other online stores that sell the same product at a lower price.
We can also show you similar products that cost less or other recommendations. This means that you don’t have to waste any more time searching for a better deal, Pricezilla is all it takes to shop efficiently!