Use one of 6 Zazzle coupons including coupon codes and product sales for April 2021. Today's best coupon is a 15% Off promo code. Save on custom apparel, cards and more when you use your Zazzle coupon code. Whether you're an artist wanting to share your designs with the world, or a shopper whose tastes turn to the more unique, you'll find plenty to get excited about at Zazzle. With customizable products ranging from housewares to apparel, there's bound to be something for every fan of everything.