# Checkbox

> A labeled checkbox input with indeterminate state support and inline validation error messaging shown via a tooltip, for forms like terms-acceptance or select-all lists.

- Author: [lipa88-mk](https://21st.dev/@lipa88-mk)
- Library: lipa88-mk
- License: MIT
- Tags: Checkbox, Form, Validation, Input
- npm dependencies: classnames, tailwind-merge, @heroicons/react, @floating-ui/react
- Live preview: https://21st.dev/@lipa88-mk/components/checkbox

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/lipa88-mk/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