tonic + npm: base64url

var b64u = require("base64url") var rez = b64u(JSON.stringify({ "typ": "JWT", "alg": "HS256" })); var shouldbe = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9'; console.log(rez); console.log(shouldbe); console.log(rez == shouldbe);