“Find out about the latest coupons, deals and offers available while visiting your favorite shopping websites.”Coupon Craze is a nifty little extension that allows you to find out about all the deals that you can get while visiting shopping web sites. The extension supports over 4,000 sites.

I don’t usually talk about Firefox extension but I thought this one was really cool. Who doesn’t want to save money? Get the extension at its Mozilla Firefox add-on page.