# Web Setup

Download the [sodium.js](https://raw.githubusercontent.com/jedisct1/libsodium.js/master/dist/browsers-sumo/sodium.js) file and add it to your flutter web directory. Include `sodium.js` in your web/index.html.

```html
<script src="sodium.js"></script>
```

#### *Note: No additional steps required for Android and iOS.*&#x20;