Free QR and Barcode Scanner and Generator. In addition to being able to scan QR codes and barcodes, create QR codes using templates for each event, and keep the scanned data as historical data, you can check and reuse later on such as settlement and shopping price information it's simple. Scan all common barcode such as QR, Data Matrix, Aztec, UPC, EAN, Code 39. Scan PDF files and smartphone screens directly The screen shot is unnecessary and you can directly read the QR code in the PDF file