What is a GTIN?
GTIN stands for Global Trade Item Number.
Barcode & QR
GTIN Check Digit Calculator
Calculate GTIN check digits for GTIN-8, GTIN-12, GTIN-13 and GTIN-14.
Tool
GTIN Check Digit Calculator
Calculate GTIN check digits for GTIN-8, GTIN-12, GTIN-13 and GTIN-14.
This tool runs in your browser. Your input is processed locally and is not uploaded.
About this Tool
Use this free GTIN calculator to compute or verify barcode check digits.
Examples
- 400638133393
- 01234567890
Frequently Asked Questions
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.