Check the structure and check digit of common numeric barcode identifiers.
For ordinary generation, barcode values are processed in your browser rather than uploaded to Exact Barcode.
How to use this tool
- Enter an 8, 12, 13 or 14 digit GTIN-style number.
- Run the structural check.
- Review the detected candidate type and check-digit result.
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.