# QR Code

> An SVG QR code that encodes a plain string or structured data like a Wi-Fi credential, contact card, or 2FA secret, with an optional caption.

- Author: [alexisroe](https://21st.dev/@alexisroe)
- Library: AlexisRoe
- License: MIT
- Tags: QR Code, SVG
- npm dependencies: qrcode-generator
- Live preview: https://21st.dev/@alexisroe/components/qrcode

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/alexisroe/qrcode?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/qr-code.md