GTIN Validator
Checks whether a GTIN-8, 12, 13 or 14 identifier is structurally valid.
Lilu Baba's GTIN Validator checks any Global Trade Item Number length (8, 12, 13 or 14 digits) using the universal check-digit algorithm.
How to use this tool
- Enter a GTIN number (8, 12, 13 or 14 digits).
- Its validity updates instantly using the universal GTIN check-digit formula.
FAQ
GTIN Validator — frequently asked questions
A Global Trade Item Number — the umbrella standard that includes UPC-A (GTIN-12), EAN-13 (GTIN-13), and other product identifier lengths.
No — the same weighted check-digit algorithm applies across all standard GTIN lengths.