Calculate GTIN-8, GTIN-12, GTIN-13 and GTIN-14 check digits.
For ordinary generation, barcode values are processed in your browser rather than uploaded to Exact Barcode.
How to use this tool
- Select GTIN-8, GTIN-12, GTIN-13 or GTIN-14.
- Enter all digits except the final check digit.
- Calculate and copy the completed identifier.
About this tool
This tool runs in the browser and is designed around one specific barcode task. Validation checks structure and supported format rules; it does not assign official identifiers, certify print quality or guarantee scanner performance in every environment.