Dette er QR-kode skanner verktøyet. Dra og slipp QR Code-bildet i dropzone. Denso Wave opprettet 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.