# Count Up

> An animated number counter that springs to its target value when it enters the viewport, with support for decimals, thousands separators, count direction, and per-digit slide, fade, and blur effects.

- Author: [Unlumen UI](https://21st.dev/@unlumen)
- License: MIT
- Tags: Animation, Number, Counter
- npm dependencies: motion, react-use-measure
- Live preview: https://21st.dev/@unlumen/components/count-up

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/unlumen/count-up?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/animation.md