qrencode: qrencode (QR Code encoding library) qrencode: qrencode: Libqrencode is a library for encoding data in a QR Code symbol, a kind qrencode: of 2D symbology that can be scanned by handy terminals such as a qrencode: mobile phone camera. The capacity of QR Code is up to 7000 digits or qrencode: 4000 characters, and has high robustness. qrencode: qrencode: Homepage: http://fukuchi.org/works/qrencode qrencode: qrencode: qrencode: