How can I customize my receipt headers and footers more effectively?

[KobeRibbon]

Many retailers want to display a variety of information in the header and footer of their receipts. Currently, Shopify's standard receipts (including ShopifyPro) only allow for text and some URLs to be displayed; if more flexible customisation was possible, such as using HTML to change the text size or using Liquid to access and display information about the transaction Ideal for. Of course, customisation of receipts is possible using publicly available apps from the App Store, but as the number of customer visits increases, it is not realistic to use an app every time, given the speed and man-hours required to do so.