The RetailMeNot site helps you find coupon codes for tons of different sites online, and now there’s a RetailMeNot Firefox extension to make deal-finding even easier. Sometimes you forget to scope out the coupon code sites for applicable savings before checking out at online retailers. This handy extension gives you a little warning on the top bar if its found coupons for the site you’re currently visiting.

RetailMeNot [Firefox Add-ons via Lifehacker]

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