Business Identifiers

Generate scannable barcodes for product labels, inventory tests, documents and retail workflows.

Create structured invoice identifiers using company, branch, year and controlled running sequences.

Generate structured product SKUs in bulk with category, brand, variant and sequence controls.

Calculate GS1 check digits for GTIN, EAN, UPC and related barcode numbers.

Validate GTIN-8, GTIN-12, GTIN-13 and GTIN-14 numbers using the GS1 check digit.

Validate a 12-digit UPC-A number and identify the expected check digit.

Validate EAN-8 and EAN-13 numbers using the standard check-digit calculation.

Generate controlled batch identifiers for production, packaging and traceability.

Create readable lot numbers with site, date and sequential numbering controls.

Generate structured purchase order numbers for companies, branches and procurement teams.