# Waveform

> An animated audio waveform visualizer with pulsing bars, glow, scanline overlay and corner brackets for playback and live-signal displays.

- Author: [The Gridcn](https://21st.dev/@thegridcn)
- Library: The Gridcn
- License: MIT
- Tags: Animation, Audio, Waveform, Visualizer, Tron
- Live preview: https://21st.dev/@thegridcn/components/waveform

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/thegridcn/waveform?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