Barillo Free Barcode Generation Software. Quickly create the barcodes you need for product and inventory barcode labels. Simply select your UPC or EAN barcode type, enter the barcode number for an instant preview of the barcode, then save and export the barcode graphic for printing, choosing from a variety of file formats and setting the height and width for the final barcode graphic. UPC-A Barcodes. UPC (Universal Product Code). UPC-A is the most common barcode used in the US and Canada, consisting of a 12 digit GTIN (Global Trade Item Number). EAN-13 Barcodes. EAN (European Article Numbering). An EAN-13 is an extension of UPC-A, adding an extra digit for more extensive international use. Barcode Software. Barillo also supports generating EAN-8 and UPC-E barcodes with more barcode types to be added in future releases. visitors and three million software downloads per month.