<p>A QR code decoder is a tool or software that interprets the information encoded in a Quick Response (QR) code. QR codes are two-dimensional barcodes that can store data such as text, URLs, or other information in a matrix of square dots. These codes are widely used in advertising, packaging, and ticketing, among other applications, for quick access to information using a smartphone or dedicated scanner.  View more: Codexcoach</p>