Presenting Wikibuy from Capital One.
You're going to wonder how you ever shopped without it.

Wikibuy is a free browser extension that automatically applies the best coupon codes at checkout and lets you know when prices drop on products you've viewed and purchased.

We're proud of the fact that Wikibuy found users $70 million in savings last year—coupon codes make a big difference, seriously.

Click to add to undefined. It's free!

Don't miss out on a better price.

Shopping on Amazon? Wikibuy searches thousands of merchants to see if you're getting the best deal.

As soon as one Wikibuyer finds a better price, the other 3 million Wikibuyers with the browser extension installed know about it, automatically.

Shop normally - with the power of the crowd behind you.

Wikibuy is built with love in Austin, Texas.

Coupon codes, automatically.

Just click and Wikibuy will apply working codes at checkout on thousands of retailers. Codes are updated in real-time based on which codes save other Wikibuyers the most.

Credits with a click.

Click and earn credit for your purchases on popular sites like Walmart and eBay. Use your Wikibuy credit to buy gift cards.

Universal Product Search.

Scan any barcode or search for any product and Wikibuy tells you the prices available at top retailers.

Know when prices drop

Wikibuy keeps track of products you've viewed or purchased and lets you know when prices drop so you never miss a great deal.