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# 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)
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