Tool to generate a QR-Code. QR code is a 2D barcode standard made of black and white squares. QR stands for Quick Response
QR Code - dCode
Tag(s) : Character Encoding, Image processing
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QR Code
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QR Code Generator
Tool to generate a QR-Code. QR code is a 2D barcode standard made of black and white squares. QR stands for Quick Response
Answers to Questions
How to create a QR code?
Encryption of data in a QR code uses the ISO norm 18004:2015.
How to decrypt a QR Code?
To read QR-Code, a quick and free solution is mobile phone. It exists a bunch of applications, I will cite the Google one : Google Goggles [] (which has plenty of other use)
Example: Without smartphone, on Internet :
Example: X-Zing takes a URL or an image to decode barcodes []
Example: Online Bar Code Reader, another universal tool not limited to QR code. []
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 are the variants of QR Code?
It exists also Data Matrix, Aztec, PDF 417, etc.
When QR code have been invented?
First QR codes have been published in Japan in 1999.
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Source code
dCode retains ownership of the source code of the script QR Code online. Except explicit open source licence (indicated Creative Commons / free), any algorithm, applet, snippet, software (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any function (convert, solve, decrypt, encrypt, decipher, cipher, decode, code, translate) written in any informatic langauge (PHP, Java, C#, Python, Javascript, Matlab, etc.) which dCode owns rights will not be given for free. So if you need to download the online QR Code script for offline use, check contact page !
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