Base64 encoding in node From https://gist.github.com/Marak/815609#file-base64-js

base64.node.js

/*
 * base64.js: An extremely simple implementation of base64 encoding / decoding using node.js Buffers
 *
 * (C) 2010, Nodejitsu Inc.
 *
 */
 
var base64 = exports;
 
base64.encode = function (unencoded) {
  return new Buffer(unencoded || '').toString('base64');
};
 
base64.decode = function (encoded) {
  return new Buffer(encoded || '', 'base64').toString('utf8');
};