> console.log(Buffer.from(“Hello World”).toString(‘base64’));<br /> SGVsbG8gV29ybGQ=<br /> > console.log(Buffer.from(“SGVsbG8gV29ybGQ=”, ‘base64’).toString(‘ascii’))<br /> Hello World

Encoding a string to base64<br /> const buff = Buffer.from(“hi readers”, “utf8”);<br /> const base64 = buff.toString(“base64”);<br /> console.log(base64); // aGkgcmVhZGVycw==</p> <p>Decoding a base64 to a string<br /> Similarly, we can decode a base64 encoding to a string like this.<br /> const buff = Buffer.from(“aGkgcmVhZGVycw==”, “base64”);<br /> const str = buff.toString(“utf8”);<br /> console.log(str); // hi readers<br />

//————— HOW TO DECODE BASE64 ON NODEJS ———————-<br /> //create a buffer of the text “Hello World”<br /> var buffer = Buffer.from(‘SGVsbG8gV29ybGQ=’, ‘base64’);<br /> //buffer result is: <Buffer 48 65 6c 6c 6f 20 57 6f 72 6c 64></p> <p>var string64 = buffer.toString(‘ascii’);<br /> // .toString(‘ascii’) allow to decode base64<br /> // result is: “Hello World”</p> <p>// Can be use combined together like these<br /> console.log(Buffer.from(‘SGVsbG8gV29ybGQ=’, ‘base64’).toString(‘ascii’));<br /> // result is: “Hello World”<br />

‘use strict’;</p> <p>let data=”stackabuse.com”;<br /> let buff = new Buffer(data);<br /> let base64data = buff.toString(‘base64’);</p> <p>console.log(‘”‘ + data + ‘” converted to Base64 is “‘ + base64data + ‘”‘);<br />