# Checkbox

> A native checkbox input with a custom-drawn box, check mark and indeterminate state, for toggling a single option in forms and lists.

- Author: [klyv-ui](https://21st.dev/@klyv-ui)
- Library: Klyv-UI
- License: MIT
- Tags: Checkbox, Form, Input, Toggle
- Live preview: https://21st.dev/@klyv-ui/components/checkbox

## Install

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