The BarcodeFactory offers a Free Barcode Generator! Create a barcode online that can be scanned or saved as a file into your documents. Make your own Barcode online. How do I create a free bar code? Follow the simple steps below. We cannot provide technical support for this free bar code generator application.UPC Barcodes and UPC Numbers require registration with the UCC, (Uniform Code Council). There is a fee to register your UPC code and the UCC provides these numbers. They cannot be made at random.