The atob npm package is a utility that provides a way to decode base64-encoded data back to binary form. It is a browser built-in function that has been ported to Node.js. The package is primarily used for decoding base64 strings, which is a common encoding scheme that represents binary data in an ASCII string format.

What are atob's main functionalities?

Base64 Decoding

This feature allows you to decode a base64-encoded string. The provided code sample demonstrates how to decode the string 'SGVsbG8gV29ybGQh' to its original form 'Hello World!'.

"use strict";
const atob = require('atob');
const encodedData = 'SGVsbG8gV29ybGQh';
const decodedData = atob(encodedData);
console.log(decodedData); // Outputs: Hello World!

Other packages similar to atob

Readme

Source

atob

Uses Buffer to emulate the exact functionality of the browser's atob.

Note: Unicode may be handled incorrectly (like the browser).

It turns base64-encoded ascii data back to binary.

(function () {
  "use strict";

  var atob = require('atob')
    , b64 = "SGVsbG8gV29ybGQ="
    , bin = atob(b64)
    ;

  console.log(bin); // "Hello World"
}());

LICENSE

Dual-licensed MIT and Apache-2.0

Docs released under Creative Commons.

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Last updated on 12 Dec 2015

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