# Checkbox

> A monochrome checkbox for e-ink/low-refresh displays that supports standalone controlled/uncontrolled use, binding to a form, and grouping multiple checkboxes into one multi-select field.

- Author: [alexisroe](https://21st.dev/@alexisroe)
- Library: AlexisRoe
- License: MIT
- Tags: Checkbox, Checkbox Group, Form, Monochrome
- Live preview: https://21st.dev/@alexisroe/components/checkbox

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/alexisroe/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/checkbox.md