Scan a barcode and link it to a note. Scan the code again and the app opens the note in Evernote. Features. Online sync of your links. Automatically adds books information. 13 supported formats including QR code. Useful for. Saving information about products. Managing books or collections. Organizing documents. Supported formats. Ean 13. Ean 8. Upc a. Upc e. QR Code. Pdf 417.