QR Code Decoder tools are important because they allow users to easily scan and decode QR codes, which are often used for a variety of purposes such as storing information, linking to websites, and enabling contactless payments. Without a QR Code Decoder tool, it would be difficult for users to access the information or resources contained within a QR code. Additionally, QR Code Decoder tools can also be used to create and generate QR codes, making them an essential tool for businesses and individuals looking to use QR codes as a marketing or communication tool. Overall, QR Code Decoder tools are important because they provide a quick and convenient way to access and share information in a digital format..