Recovery Seed Backup Devices

How do QR Codes Work?

QR (Quick Response) codes are two-dimensional barcodes that can be scanned by cameras and smartphones. They were first invented in 1994 by a subsidiary of Toyota in Japan for use in tracking parts during the manufacturing process. Here's how QR codes work:

  1. QR codes are made up of black and white squares arranged in a grid pattern on a white background. Each square represents a binary digit (0 or 1).

  2. The data to be encoded is broken down into binary form and added to the QR code. The position and color of each square represents a different bit of information.

  3. When the QR code is scanned, the camera in the smartphone or QR code reader reads the pattern of black and white squares and converts it back into binary.

  4. The binary data is then translated into human-readable form, such as a website URL, a phone number, or a text message.

  5. QR code readers are widely available as smartphone apps and are usually free to download.

  6. To create a QR code, you can use one of the many free QR code generator websites or apps available. Simply enter the information you want to encode, and the generator will create the QR code for you.

  7. QR codes can be printed and displayed in various places, including flyers, business cards, and product packaging. When scanned, they provide a quick and convenient way for people to access information or perform an action, such as visiting a website or making a phone call.

In summary, QR codes allow for the storage and quick retrieval of information in a compact, easily scannable format.


You can use several websites to create QR codes. Some of the most popular and well-regarded options include:

  1. QR Code Generator (
  2. QRStuff (
  3. QR Code Monkey (
  4. QR Code Maker (
  5. Visualead (

We use when we need to generate QR codes.  The website is currently free, and it generates QR codes that don't require a redirect. This means the QR will still work even if the QR Code Monkey goes down, and you will never have to pay to make them work.

These websites generally offer a user-friendly interface for creating QR codes and often include features such as custom design options, analytics tracking, and the ability to generate codes for v data types, such as website URLs, text messages, and contact information. You can choose the one that wou.

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