To generate a QR code for a product, you can use our online QR code generator. Start by deciding what information you want the QR code to contain. Once you've determined the content, input it into the QR code generator. Many generators allow customization, so you can choose the design and size of your QR code to suit your product packaging or marketing materials. After customizing, generate the QR code and download it. Finally, incorporate the QR code onto your product packaging or marketing materials in an easily scannable location.