atob and btoa in Node.jsEdit

Base-64 encode

new Buffer('Hello World!').toString('base64'); // SGVsbG8gV29ybGQh

Base-64 decode

new Buffer('SGVsbG8gV29ybGQh', 'base64').toString(); // Hello World!

Source

• http://stackoverflow.com/questions/23097928/node-js-btoa-is-not-defined-error