# Image Comparison Slider

> A before and after image comparison slider with a draggable handle and full keyboard control. Show photo edits, redesigns, AI upscaling or product changes side by side.

- Author: [Wensity Labs](https://21st.dev/@wensity)
- License: mit
- Tags: Before After, Image Comparison, Slider, Image, Drag
- npm dependencies: clsx, framer-motion, tailwind-merge
- Live preview: https://21st.dev/@wensity/components/before-after-card

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/wensity/before-after-card?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/before-after.md