Highlight relevant products, offers like free shipping and other up-sells during checkout. The WooCommerce core checkout process covers all the basics needed to place an order, but what if you want to accept tips, offer gift-wrapping, or let customers add a gift message to their order? That’s where WooCommerce Checkout Add-Ons comes in! With Checkout Add-Ons, you can add free or paid options to your checkout page. You can add several different types of fields based on your add-on type – text fields, radio buttons, file uploads, and more!