Capital One Shopping is the best tool for cashback and discounts and is used by savvy online shoppers looking to save money.

CouponFollow is a coupon code aggregator that finds and verifies the best promo codes and discounts for thousands of online retailers to help users save money.

Savings.com is a coupon and promo code aggregator that provides hand-tested discounts from over 3,200 online retailers for consumers looking to save money.

Rakuten is a shopping rewards service offering cash back at over 3500 stores, allowing users to shop as usual and get paid.

BeFrugal is a free cash back and coupon service offering high rates and a $10 sign-up bonus for online shoppers.

Clark Deals curates the best daily deals, coupons, and promo codes across electronics, travel, home goods, and more, trusted by consumers for significant savings.