ENA-13 Introduction

This page is about basic information of ENA-13 and its barcode generation components.

ENA-13 Overview

EAN-13, based on the UPC-A standard, was implemented by the International Article Numbering Association (EAN) in Europe. It is a superset of the original 12-digit Universal Product Code (UPC) system developed in the United States. Beyond that, this barcode is defined by the standard organization GS1. All the numbers encoded in EAN-13 are known as Global Trade Item Numbers (GTIN), and they can be encoded in other GS1 barcodes. Nowadays, it is globally used to mark products often sold at retail point of sale.


Generating and Printing EAN-13 Barcodes

OnBarcode provides comprehensive EAN-13 barcode generating and scanning components for Java, .NET, Android, iOS developments and several reporting applications.

EAN-13 Structure

The structure of EAN-13 is as follows:

An EAN-13 barcode contain four areas:
  • Number System: It consists of two or three digits, which is essentially a country code.
  • Manufacturer Code: It is composed of five or four digits, which is a unique code assigned by the country numbering authority to each manufacturer. All products of a given company should use the same manufacturer code.
  • Product Code: It consists of five digits, which is a unique code assigned by the manufacture. And manufacturers can assign their product codes without any organization requirement as long as their own product codes are different.
  • Check Digit: It is an additional digit used to verify the accuracy of the data encoded.

EAN-13 Barcode Size Setting

EAN-13 size setting includes two aspects: image width and height, which can be calculated from specific expressions. Certainly, our barcode generators may automatically achieve this according to your property settings. Please get details from EAN-13 size setting instruction.

EAN-13 Valid Data Scope

EAN-13 has three character sets (A, B, C) and it is able to encode:
  • Numeric digits: 0 to 9

EAN-13 Add-On or Supplement Data

The Add-On Symbols were designed to encode information supplementary to that in the main EAN-13 barcode image on periodicals, hardback, and paperback books. And the supplement data is 2 or 5 digits which should be above the barcode image.

    EAN-13 Barcode with Two-digit Add-On

    EAN-13 Barcode with Five-digit Add-On

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