QR codes are of different size .The smallest QR codes are 21x21 pixels, and the largest are 177x177. The sizes are called versions. The 21x21 pixel size is version 1, 25x25 is version 2, and so on. The 177x177 size is version 40.Bigger the code more the storage capacity.
Every QR code will have version information, format information, Data and Error correction keys, position pattern, alignment pattern, timing pattern, Quiet zone.
QR codes are of different size .The smallest QR codes are 21x21 pixels, and the largest are 177x177. The sizes are called versions. The 21x21 pixel size is version 1, 25x25 is version 2, and so on. The 177x177 size is version 40.Bigger the code more the storage capacity.Every QR code will have version information, format information, Data and Error correction keys, position pattern, alignment pattern, timing pattern, Quiet zone.
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