In an online shopping a coupon code is a combination of alpha-numeric code like "ABC123X" and each having different discount amount that can be exchanged for a discount or rebate when purchasing a product. coupon codes are issued by retailers, to be used in retail stores as a part of sales promotions. Mostly coupon codes are offers you a percentage off purchase. sometimes which offers free shipping also.
You can redeem your coupons in respective online store check out process. Where you have to find a box named coupon codes or promotional codes or discount codes to enter that code you have.
Here, you can find most recently updated coupon codes.