2018 QRcode decode master is the best and fastest QR code scanning/ barcode scanner app for Android.If you are concern the safety , QRcode reader is the only one QR code reader you needed. not only simple , but also free.user guide as following:QR code reader:All you need is to open the scanner app and point the camera at the bar code.QR code reader can decode read all types including url scanning ,visa card QR code scanner, QR code scanning for phone number,email address scanning,facebook username ,twitter username,WhatsApp QRcode decode scanner.Main Features :1.Easy To UseMove camera to focus on QR code / bar code object is the only things to do.QR code/barcode in center , scale the window to fit the code size in case it is a small.2. QR code Generatorgenerator QR code instantly. Customize color, pattern and background as you wish.3.View HistoryThe scanned history will be well saved, you can easily view your scanned history at any time.4.Support FlashlightActivate the flashlight for reliable scans in dark environments and use pinch-to-zoom to read barcodes even from far distances.5.Barcode readerEnjoy all the benefit by scanning QRcode / barcode from everywhere to access promotion and coupon .6.scan QR codes and checks to see if they're safeIdentify safe websites, Blocks malicious sites before they load on your mobile device.2018 Barcode reader master is a powerful QR code scanner & Barcode reader & QR code generator,Scans all QR code & barcode! Very safe & easy to use!that supports all kinds of major barcode formats: QR, Data Matrix, Aztec, UPC, EAN, Code 39 and many more...