# Material 3 Checkbox

> A native checkbox input styled with Material 3 Expressive's container, outline, checkmark and state-layer motion, supporting controlled/uncontrolled and indeterminate states.

- Author: [language-lit](https://21st.dev/@language-lit)
- Library: @delego
- License: MIT
- Tags: Input, Form, Checkbox, Material Design
- Live preview: https://21st.dev/@language-lit/components/checkbox

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/language-lit/checkbox?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt · More like this: https://21st.dev/community/components/s/input.md