Dette er QR Code scanner Tool. Træk og slip QR-kode billedet i dropzone. Denso Wave skabte QR-kode i 1994. The size of a QR code shouldn’t be below 1 x 1 cm (0.4 x 0.4 in). Having a QR code printed in a smaller size might not be able to be decoded by a QR code reader/scanner.