Print checked barcodes at an explicit physical size
- Choose a format and enter assigned IDs manually, import products or generate a sequence.
- Set paper and label dimensions, then generate to validate characters, check digits, copies and fit.
- Export the vector-bar PDF, print at 100%, measure the 50 mm line and scan a test sheet.
EAN-13 check digit
Entering 400638133393 calculates final digit 1. Supplying all 13 digits validates the last digit instead of silently changing it.
Does not issue GS1 identifiers, certify print quality or guarantee retailer acceptance. Printer, ink, paper and scanner affect results.