How to generate a QR code and how to read it

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:

  1. 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.
  2. Enter the data.
  3. 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.

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