# pretty-bytes [![Build Status](https://travis-ci.org/sindresorhus/pretty-bytes.svg?branch=master)](https://travis-ci.org/sindresorhus/pretty-bytes)

> Convert bytes to a human readable string: `1337` → `1.34 kB`

Useful for displaying file sizes for humans.

-

*Note that it uses base-10 (e.g. kilobyte).  
[Read about the difference between kilobyte and kibibyte.](http://pacoup.com/2009/05/26/kb-kb-kib-whats-up-with-that/)*


## Install

```
$ npm install --save pretty-bytes
```


## Usage

```js
const prettyBytes = require('pretty-bytes');

prettyBytes(1337);
//=> '1.34 kB'

prettyBytes(100);
//=> '100 B'
```


## Related

- [pretty-bytes-cli](https://github.com/sindresorhus/pretty-bytes-cli) - CLI for this module


## License

MIT © [Sindre Sorhus](https://sindresorhus.com)