# Compare Slider

> A draggable before/after image or content comparison slider with a divider you drag with the pointer, touch, or arrow keys to reveal one version versus another.

- Author: [halaska-studio](https://21st.dev/@halaska-studio)
- Library: @delego
- License: MIT
- Tags: Compare-slider, Before After, Image Comparison, Slider
- Live preview: https://21st.dev/@halaska-studio/components/compare-slider

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/halaska-studio/compare-slider?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/compare-slider.md