UPC Validator
Checks whether a UPC-A barcode number is structurally valid.
Lilu Baba's UPC Validator checks a 12-digit UPC-A barcode number against the standard check-digit formula used across North American retail.
How to use this tool
- Enter a 12-digit UPC-A barcode number.
- Its validity updates instantly using the standard UPC-A check-digit formula.
FAQ
UPC Validator — frequently asked questions
The standard retail barcode format widely used in the United States and Canada.
No — this only checks structural validity of the number itself.