Barcode & QR Code Simulator

Learn how barcodes work and create your own!

Barcode Generator

Country Prefix: Enter digits to see country

About this Barcode Type

EAN-13 is the standard barcode used worldwide for retail products. The first 2-3 digits indicate the country of origin.

Enter digits and click "Generate Barcode" to see your barcode

Check Digit Calculator

Learn how the check digit is calculated step-by-step!

Why Check Digits Matter

Check digits detect scanning errors. If one digit is wrong, the check digit won't match, and the scanner will reject the barcode!

How It Works

The check digit is calculated using a weighted sum algorithm. Enter 12 digits to see the step-by-step calculation!

QR Code Generator

QR Code Facts

  • QR = "Quick Response"
  • Can store up to 4,296 characters
  • Works even if 30% damaged!
  • Invented in Japan in 1994

Ghana Examples

  • MTN MoMo payment codes
  • GCB Bank QR payments
  • Restaurant menus
  • Event tickets

Enter content and click "Generate QR Code"

Barcode Anatomy

Explore the structure of different barcode types used in Ghana and worldwide!

EAN-13

International Standard

13 digits total

GHBS-13

Ghana Barcode System

Prefix: 603

UPC-A

USA & Canada

12 digits total

ISBN-13

Books Worldwide

Prefix: 978 or 979

ISSN

Magazines & Journals

Prefix: 977

ITF-14

Shipping & Logistics

14 digits, outer boxes

Click a barcode type above to learn about its structure!

Each barcode type has a specific format and purpose.

Quiz Mode

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Click "Start Quiz" to begin!