> For the complete documentation index, see [llms.txt](https://docs.whereby.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.whereby.com/whereby-for-web-browser/react-based-browser-sdk.md).

# React-based Browser SDK

The React-based Browser SDK is a flexible toolkit that lets you build a fully custom video calling experience using Whereby’s APIs, components, and event system using React.

### Get started

#### 🚀 Start here

* [Start here to get your first implementation running](/whereby-for-web-browser/react-based-browser-sdk/quick-start.md)

#### 🎨 Customize the experience

* [Customizing the toolbar](/whereby-for-web-browser/react-based-browser-sdk/how-to-customize-the-toolbar.md)
* [Customizing video tiles](/whereby-for-web-browser/react-based-browser-sdk/custom-video-tiles-with-react.md)

***

### Further resources

{% columns %}
{% column %}
**⚙️ Core concepts**

* [Grid logic](/whereby-for-web-browser/react-based-browser-sdk/grid-logic.md)
  {% endcolumn %}

{% column %}
**🔄 Migration**

* [Migrating from version 2.x to 3](/whereby-for-web-browser/react-based-browser-sdk/migrate-from-version-2.x-to-3.md)
  {% endcolumn %}
  {% endcolumns %}