Grocery product barcodes carry GTINs that international POS networks use to price and track consumer packs. EAN-13 is default outside North America; numbers must come from GS1 assignments aligned with ERP and marketplace listings. Generate symbols in the EAN-13 generator and validate check digits before packaging runs.

Why teams use this

Checkout mismatches trigger recalls, chargebacks, and delisting. A single wrong digit breaks scan-at-self-checkout flows and confuses inventory across warehouses and e-commerce.

How to implement it

Register GTINs once in your product master, mirror them on Amazon and retailer portals, and proof bars on curved packaging mockups.

  • Never invent 13-digit numbers without a GS1 prefix.
  • Keep barcode art synchronized with nutrition panel revision dates.
  • Plan EAN-8 only when GS1 permits shortened symbols for small packs.
  • Scan every new SKU at a physical test lane before launch.
  • Archive PDF proofs with GTIN, version, and print date.

Common mistakes

Using a marketplace-assigned barcode on a different physical SKU is a frequent compliance failure. Exporting US UPC art to EAN markets without renumbering causes cross-border issues. Do not shrink bars to fit nutrition tables without magnification review.

Tools to get started

Use EAN-13 with GS1 basics and small packaging when faces are tight.

Frequently asked questions