A Barcode is a representation of information in a machine readable format. It displays the information about the object to which it attaches. Barcode is made of parallel lines having different widths. You have been seen barcode reader or scanner machines in some store or shopping malls. What will you do if you get a scan of barcodes or QR codes on your computer? Some applications are designed which have the facility to read scanned barcodes. You can use these programs for your small business or even a large business. Here is the list of Best Free Barcode Scanner Software for Windows that can help you to extract information from barcodes. Most of the programs offer support for many formats of barcodes. Some of these applications can also help you to read barcode with the help of a webcam.