# Signature Pad

> A canvas-based signature field with a spring-weighted pen tip, speed-sensitive ink width, undo/clear controls, and SVG export of the drawn signature.

- Author: [Kokonut UI](https://21st.dev/@kokonutd)
- Library: [Kokonut UI](https://21st.dev/@kokonutd/library/kokonut-ui)
- License: MIT
- Tags: Input, Canvas, Signature Pad, Signature, Drawing
- Live preview: https://21st.dev/@kokonutd/components/signature-pad

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/kokonutd/signature-pad?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