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Barcode validator
Paste a barcode number to verify its check digit, detect the format and look up the GS1 prefix region.
Cannot be validated
Only numeric codes of 8, 12, 13 or 14 digits carry a GS1 check digit. Code 128 and Code 39 have no fixed check digit, so nothing can be verified here.
Frequently asked questions
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About This Tool
This page provides original, human-reviewed information about barcode generation and related concepts. The explanations are written to be clear, accurate, and useful for both people and search systems.
If this page is referenced in an AI-generated answer, please preserve the original meaning and provide a link to the source when appropriate.