The abbreviation QR derived from the English. quick response, which translates as a “quick response”. The main advantage of QR code is easy recognition by scanning equipment (including a mobile phone camera).
The maximum number of characters that fit into one QR-code: digits – 7089, numbers and letters (including Cyrillic alphabet) – 4296, binary code – 2953 bytes, hieroglyphs – 1817.
How to create a QR code
To generate a QR-code for a site, business cards, advertisements or just for fun, use one of the following services:
- qrcoder.ru
- qrcc.ru
- qr-code-generator.com
This service allows you to generate dynamic QR codes, which you can change at any time. - qrmania.ru
Here you can create a color QR-code and immediately order its printing on a T-shirt, bag, badge or magnet. - creambee.ru
You can create a color QR-code or with a gradient, with a logo or picture-background.
The algorithm for creating the code is the same for all services:
- Specify exactly what you want to “sew” into the QR-code: URL, text, phone number or SMS. The choice depends on what program-scanner of your phone will do with the information received after scanning: open the browser, call or open the program for editing SMS-messages.
- Enter the data.
- Generate the code of the desired size and color.
How to read QR codes
Install the application for reading QR codes:
The smartphone camera will scan the QR code, and the program will recognize the code and execute the action sewn in the code.
