Easy QR Maker 2.1 is a free and quite easy to use
application.It is a tool with
an intuitive interface which allows you to encode and decode QR codes and
barcodes and save images of any sizes (PNG, GIF, JPG, BMP, TIFF) easily.This
application supports multiple formats such as QR Code, Data Matrix, Codabar, Code 11, Code 128 etc.