GTIN-8 check
ClientGTIN-8 (EAN-8) suits small packaging where a full EAN-13 will not fit. Paste eight digits for local mod-10 validation—no product catalog lookup.
GTIN-8 validation
Exactly eight digits after cleanup. Rightmost digit is mod-10 check. Toolcore labels the result as GTIN-8 on pass.
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GTIN‑8, UPC‑A (GTIN‑12), EAN‑13, and logistic GTIN‑14 all end with the same ISO/IEC GS1 modulus‑10 weight‑3 algorithm used by the barcode generator when it pads shortened bodies with a check digit. Alternate lengths map to retailer packaging standards (coupon GTIN‑12, carton GTIN‑14, compact GTIN‑8).
Result
Passes modulus‑10 GS1 rule for GTIN-13 (13 digits).
Common use cases
- Validate compact cosmetic or confectionery barcodes.
- Catch transposed digits on tiny label OCR.
Common mistakes to avoid
Padding GTIN-8 to 13 digits without understanding symbology
GTIN-8 is a distinct length—do not arbitrary zero-fill before checksum.
FAQ
When is GTIN-8 used?
Small retail items where EAN-13 barcode size is impractical—still uses GS1 mod-10.
Common search terms
Phrases people search for that match this tool. See the full long-tail keyword index.
- gtin checksum verifier online
- ean 13 check digit validate browser
- upc-a modulus 10 checker locally
- gtin 14 logistic barcode checksum
- gs1 digit string validator no lookup
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