# useFileInput

> A React hook for handling file input operations with validation and error handling. It supports file type restrictions, size limits, and provides a clean interface for file management.  Features: 	•	File type validation 	•	File size limits 	•	Error handling 	•	File information tracking 	•	Easy file clearing

- Author: [Kokonut Baffier](https://21st.dev/@kokonutd)
- Library: [Kokonut UI](https://21st.dev/@kokonutd/library/kokonut-ui)
- License: mit
- Tags: Upload Download, Hook
- Live preview: https://21st.dev/@kokonutd/components/use-file-input

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/kokonutd/use-file-input?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/upload-download.md