QR code decoder

QR code, also known as QR Code, QR's full name Quick Response, is a super popular code method on mobile devices in recent years. It can store more information than the traditional barcode, and it can also represent more data type

Two-dimensional barcode/dimensional bar code is a black and white graphic record data symbol information that uses a specific geometric graphic in the plane (two-dimensional direction) according to a certain law; cleverly compilation of code compilationThe concept of '0' and '1' Bit flows that constitute the internal logic foundation of the computer uses a number of geometric forms corresponding to the binary to represent the text value information.Automatic processing: It has some commonality of barcode technology: each code system has its specific character set; each character occupies a certain width; it has a certain verification function, etc.At the same time, it also has the automatic identification function of the information that is not the same, and the transformation point of the processing graphic rotation