Generates 12 digit UPCA or 13 digit EAN13 barcodes.^[spec] Neither this site nor its author are in any way affiliated with GS1. The barcodes produced by this site are provided for free with no restrictions placed on their use. They are supplied "as-is" with no guarantee of correctness, and are covered by no warranty, express, implied, or otherwise. Barcodes contain glyphs from the "ocrb" font face created by Matthew Anderson, licensed under CC-BY 4.0 ^{[license] [archived] [original]} For bugs or feature requests consider opening an issue on GitHub.