How to Generate a QR Code Using C# with IronBarcode ByJordi Bardia July 19, 2022 Updated June 22, 2025 Share: Unlock the full potential of QR code customization with our easy-to-follow C# tutorial using the IronBarcode library, and start creating personalized, high-quality QR codes with logos and annotations today! more... In this tutorial, you'll learn how to generate QR codes using C# with the IronBarcode library, which is free for development.To create a QR code, use the QRCodeWriter.CreateQrCode function, providing the desired text as an argument, such as 'ironsoftware.com'. Save the QR code in formats like JPEG, PNG, or others by specifying the path and filename. If needed, adjust the QR code's size by passing the required dimensions as a second argument. Additionally, IronBarcode allows you to add text below or above the QR code using AddBarcodeValueTextBelowBarcode and AddAnnotationTextAboveBarcode functions. To enhance the QR code with a logo, replace the create QR code function with CreateQrCodeWithLogo, passing the QR code value, logo file path, and size as arguments. Execute the program, and you'll find the generated QR code image in the output folder, complete with any added annotations, text, and logo. This tutorial provides a comprehensive approach to customizing QR codes, and for further assistance, a support team is available.Further Reading: How to Generate a QR Code Using C# with IronBarcode show less