Guides about EAN codes

Everything sellers ask us about EAN codes, explained without jargon and without sales talk.

In practiceBarcode size requirements: EAN-13 printing guideHow big an EAN-13 barcode must be, how much white space it needs, which colours scan and where to put it, with a practical checklist for printing labels.
In practiceEAN Check Digit Explained, with a Free CalculatorHow the 13th digit of an EAN is calculated, how to validate any GTIN in seconds, and why a correct check digit says nothing about who owns a code.
In practiceEAN for variations and bundles: when do you need a new EAN?Every size, colour, pack size and bundle needs its own EAN, and some product changes need a new one. Here are the rules, channel differences and a worked code count.