npm package: @stdlib/string-base-atob
Description: Decode a string of data which has been encoded using Base64 encoding.
Author: The Stdlib Authors
Latest version: 0.1.1

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<details>
  <summary>
    About stdlib...
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# atob

[![NPM version][npm-image]][npm-url] [![Build Status][test-image]][test-url] [![Coverage Status][coverage-image]][coverage-url] <!-- [![dependencies][dependencies-image]][dependencies-url] -->

> Decode a string of data which has been encoded using Base64 encoding.

<!-- Package usage documentation. -->

<section class="installation">

## Installation

```bash
npm install @stdlib/string-base-atob
```

</section>

<section class="usage">

## Usage

<!-- eslint-disable stdlib/no-redeclare -->

```javascript
var atob = require( '@stdlib/string-base-atob' );
```

#### atob( str )

Decodes a string of data which has been encoded using Base64 encoding.

<!-- eslint-disable stdlib/no-redeclare -->

```javascript
var out = atob( 'SGVsbG8sIHdvcmxk' );
// returns 'Hello, world'
```

</section>

<!-- /.usage -->

<section class="notes">

## Notes

-   This function differs from the global [`atob`][mdn-atob] available in web browsers and more recent Node.js versions in that the function returns `null` when provided a string containing non-ASCII characters, rather than raising an exception.

</section>

<!-- /.notes -->

<!-- Package usage examples. -->

<section class="examples">

## Examples

<!-- eslint-disable stdlib/no-redeclare -->

```javascript
var atob = require( '@stdlib/string-base-atob' );

var str = 'SGVsbG8gV29ybGQh';
var out = atob( str );
// returns 'Hello World!'

str = 'SEVMTE8gV09STEQh';
out = atob( str );
// returns 'HELLO WORLD!'

str = 'VG8gYmUsIG9yIG5vdCB0byBiZTogdGhhdCBpcyB0aGUgcXVlc3Rpb24u';
out = atob( str );
// returns 'To be, or not to be: that is the question.'
```

</section>

<!-- /.examples -->

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<section class="related">

</section>

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<section class="main-repo" >

* * *

## Notice

This package is part of [stdlib][stdlib], a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop [stdlib][stdlib], see the main project [repository][stdlib].

#### Community

[![Chat][chat-image]][chat-url]

---

## License

See [LICENSE][stdlib-license].


## Copyright

Copyright &copy; 2016-2026. The Stdlib [Authors][stdlib-authors].

</section>

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[npm-url]: https://npmjs.org/package/@stdlib/string-base-atob

[test-image]: https://github.com/stdlib-js/string-base-atob/actions/workflows/test.yml/badge.svg?branch=v0.1.1
[test-url]: https://github.com/stdlib-js/string-base-atob/actions/workflows/test.yml?query=branch:v0.1.1

[coverage-image]: https://img.shields.io/codecov/c/github/stdlib-js/string-base-atob/main.svg
[coverage-url]: https://codecov.io/github/stdlib-js/string-base-atob?branch=main

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[stdlib]: https://github.com/stdlib-js/stdlib

[stdlib-authors]: https://github.com/stdlib-js/stdlib/graphs/contributors

[umd]: https://github.com/umdjs/umd
[es-module]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules

[deno-url]: https://github.com/stdlib-js/string-base-atob/tree/deno
[deno-readme]: https://github.com/stdlib-js/string-base-atob/blob/deno/README.md
[umd-url]: https://github.com/stdlib-js/string-base-atob/tree/umd
[umd-readme]: https://github.com/stdlib-js/string-base-atob/blob/umd/README.md
[esm-url]: https://github.com/stdlib-js/string-base-atob/tree/esm
[esm-readme]: https://github.com/stdlib-js/string-base-atob/blob/esm/README.md
[branches-url]: https://github.com/stdlib-js/string-base-atob/blob/main/branches.md

[stdlib-license]: https://raw.githubusercontent.com/stdlib-js/string-base-atob/main/LICENSE

[mdn-atob]: https://developer.mozilla.org/en-US/docs/Web/API/Window/atob

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</section>

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