GTIN / EAN / UPC Validator
Check any GTIN barcode against the GS1 standard. Validates format, length, and check digit.
What this tool checks
Checks
- ✓ Format: digits only, no spaces or hyphens
- ✓ Length: must be exactly 8, 12, 13, or 14 digits
- ✓ GS1 check digit (mod-10 algorithm)
- ✓ Identifies the GTIN type (GTIN-8, UPC-A, EAN-13, GTIN-14)
- ✓ Extracts GS1 Company Prefix region (first 3 digits)
Does not check
- ✗ GS1 database registration (no live lookup)
- ✗ Company Prefix allocation to a specific company
- ✗ GTIN-12 to GTIN-13 conversion or zero-padding
- ✗ ISBN/ISSN relationships
Bad GTINs still getting through your imports?
Rastro's GTIN AI agent checks supplier feeds in bulk, catches barcode errors, and flags duplicates before they break search, imports, or downstream sync.
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