Barcode & QR
GTIN Check Digit Calculator
Calculate GTIN check digits for GTIN-8, GTIN-12, GTIN-13 and GTIN-14.
Tool
About this Tool
Use this free GTIN calculator to compute or verify barcode check digits.
Examples
- 400638133393
- 01234567890
Frequently Asked Questions
What is a GTIN?
GTIN stands for Global Trade Item Number.
Which formats are supported?
GTIN-8, GTIN-12, GTIN-13 and GTIN-14.
Why is the check digit important?
It helps scanners detect data entry errors.