QR Code Generator
Answers to Questions
How to create a QR code?
Encryption of data in a QR code uses the ISO norm 18004:2015 (QRCode).
How to decrypt a QR Code?
Without smartphone, on Internet :
How to recognize a QR Code?
The 2D bar code has generally 3 black squares in the corners and a matrix of black and white dots.
What does QR means in QR Code?
QR stands for Quick Response.
What are the variants of QR Code?
The center of the QR-Code is sometimes non-coding and therefore used to incorporate a logo. Otherwise, there are many other 2D barcodes like DataMatrix (FlashCode), Aztec, PDF 417, etc.
When QR code have been invented?
First QR codes have been published in Japan in 1999.