A Node.JS port of Lazar Laszlo's jsqrcode for decoding QR Codes.
Now you use can it in node or in the browser!
var Canvas = require('canvas')
, Image = Canvas.Image
, qrcode = require('jsqrcode')(Canvas)
var filename = __dirname + '/qrcode.png'
var image = new Image()
image.onload = function(){
var result = qrcode.decode(image)
console.log('result of qr code: ' + result);
}
image.src = filename