If you would like to learn more about how base64 is encoded in general, and in JavaScript in-particular, I would recommend this article: Computer science in JavaScript: Base64 encoding $scope.encoded = $base64.encode('a string') To decode a base64-encoded string: var bytes = (str) To encode an array of bytes using 64: var str = (myByteArray) We can make it convert to other formats by passing the encoding type to toString().Īnd here is how you decode base64 encoded strings: var b = om('SmF2YVNjcmlwdA=', 'base64')

It takes a Base64 encoded string and maps each character back to its 6-bit binary representation. Many browsers already have base64 encoding/decoding functionality, but it is for text data, not all-. Base64 decoding is the reverse process of encoding. If we don't use toString(), JavaScript assumes we want to convert the object to utf8. base64-js does basic base64 encoding/decoding in pure JS. Default is utf8, possible encoding types are ascii, utf8, ucs2, base64, binary, and hex Here is how you encode normal text to base64 in Node.js: //Buffer() requires a number, array or string as the first parameter, and an optional encoding type as the second parameter. Re-written and modularized UTF-8 and Base64 Javascript Encoding and Decoding Libraries / Modules for AMD, CommonJS, Nodejs and Browsers. Internet Explorer 10+ // Define the stringĬonsole.log(encodedString) // Outputs: 'SGVsbG8gV29ybGQh'Ĭonsole.log(decodedString) // Outputs: 'Hello World!'

Javascript base64 decode