Coupons are promotional tools used by retailers to encourage customers to make purchases. They typically offer discounts or special deals on products or services, allowing consumers to save money. Coupons can be found in various forms, including printed paper, digital codes, or mobile app offers. Consumers can use coupons at checkout to reduce the total price of their purchases. Many stores and brands, such as grocery stores and online retailers, provide coupons to attract new customers and retain existing ones. Using coupons can help shoppers maximize their savings and make their shopping experience more economical.