> For the complete documentation index, see [llms.txt](https://conductor.js.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://conductor.js.org/1.3.0/api-reference/capitalize.md).

# capitalize

```erlang
capitalize :: String input => String output
```

## description

Capitalizes the first letter of the input string.

## example

```javascript
import { capitalize } from 'conductor'

capitalize('hello') // 'Hello'
capitalize('hello world') // 'Hello world'
```