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QR Codes use a two-dimensional square pattern of black modules that can be read both horizontally and vertically. They commonly contain up to 4296 alphanumeric characters, including URLs, phone numbers, plain text, email addresses, and other data. QR codes have become very popular in consumer advertising, mobile payments, website logins, data encryption, and other applications.Barcodes are images made up of parallel black lines in a rectangular shape. They are often used by retail stores, ID cards, postal mail, and many products to encode information. Barcodes enable stores and companies to accurately track inventory, streamline accounting, and improve supply chain efficiency in warehouses.Comparison Between QR Code and Barcode-Barcodes are rectangular images composed of parallel black lines that encode data used to identify retail items, ID cards, mail, and products. Barcodes help stores and companies maintain accurate inventory records and streamline accounting by tracking products and improving supply chain efficiency in warehouses. QR codes contain black modules arranged in a square pattern, allowing them to store data that can be read both horizontally and vertically. Typically, QR codes hold information like website URLs, phone numbers, plain text, email addresses, and other alphanumeric data up to 4,296 characters in length. With their high storage capacity and scan ability, QR codes have become ubiquitous in consumer advertising, mobile payments, website logins, data encryption, and many other applications. While barcodes on identical items have the same code, making it difficult to track assets individually, QR codes can provide a unique identifier for each asset. Regular barcodes require high-quality label printers to scan, QR codes can be easily scanned by tablets and smartphones, making them less dependent on specialized equipment.