Reading and Writing QR Codes with Python

QR codes are everywhere, connecting the physical and digital worlds in everything from marketing to inventory management. Understanding how to programmatically generate and read these codes opens up powerful automation opportunities for your projects. This course teaches you how to leverage Python to create custom QR codes and extract data from existing ones with ease. You will start with the foundational concepts of how QR codes store data, before moving on to practical implementation. Through clear written explanations and structured code examples, you will learn to generate clean codes, customize their appearance, and decode images containing barcode data. What you'll learn: - Understand the core structure, error correction levels, and data capacity of QR codes - Generate standard and customized QR codes using the qrcode library - Read and decode data from QR code images using Python libraries like pyzbar - Apply type hints and modern Python packaging practices to keep your codebase clean - Create practical scripts to automate bulk QR code generation and parsing - Handle real-world image variations and optimize decoding reliability We begin with essential terminology and the mechanics of 2D barcodes, ensuring you have a strong foundation. Next, you will progress through step-by-step written guides that show you how to write clean, modern Python scripts for both creation and extraction tasks. This course is designed for beginner Python developers, hobbyists, and automation enthusiasts who want to integrate QR code functionality into their software. No prior experience with computer vision or image processing is required.