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What Is a QR Code Barcode?

A QR code is a two-dimensional barcode that stores data in a square matrix. Because a smartphone camera reads it in seconds, it is the world's most widely used 2D code for web addresses, Wi-Fi details, payment links and business cards.

Sample data: https://labelixa.com

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Key facts

Year1994

DeveloperDenso Wave (Japan)

StandardISO/IEC 18004

Capacityup to 4,296 characters

NoteThe most common 2D code worldwide; readable with up to 30% damage

Where is it used?

Send people from a menu, poster or package to a web address
Join a Wi-Fi network without typing the password
Payments, transfers and invoices via QR
Event tickets and access control
Product traceability and campaign tracking

Frequently asked questions

What is QR Code?

How much data can QR Code hold?

QR Code capacity: up to 4,296 characters.

Where is QR Code used?

Main uses: Send people from a menu, poster or package to a web address, Join a Wi-Fi network without typing the password, Payments, transfers and invoices via QR, Event tickets and access control.

Is QR Code 1D or 2D?

QR Code is a two-dimensional (matrix) code.

What Is a QR Code Barcode?

Key facts

Where is it used?

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Frequently asked questions