Commercial Barcode Architecture
A standard 1D linear barcode maps numbers and characters into varying sequences of vertical parallel black bars and spaces. The specific patterns of black modules vs white margins are defined by standard specification rules. Our generator processes multiple standards offline:
The check digit ($C$) for **EAN-13** is computed by adding alternate columns using weights of 1 and 3:
Frequently Asked Questions
Designed for rapid consumer retail checkout scanning, EAN-13 restricts barcodes to 13 digits to keep symbol widths narrow and scan speeds exceptionally fast across standard laser point-of-sale systems.
Yes. The high-contrast canvas renders crisp standard modules matching logistics specifications. Standard barcode scanning applications (and general shopping apps) recognize Code 128, Code 39, EAN-13, and UPC-A grids instantaneously.