# Text Highlighter

> Animated text highlighter that sweeps a marker-style background behind inline text, triggered on hover, scroll into view, or imperatively via ref, with configurable direction and color.

- Author: [Daniel Petho](https://21st.dev/@danielpetho)
- License: MIT
- Tags: Animation, Text, Highlight, Reveal, Marker
- npm dependencies: motion
- Live preview: https://21st.dev/@danielpetho/components/text-highlighter

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/danielpetho/text-highlighter?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