# File Dropzone

> A multi-file upload dropzone with drag-and-drop support, animated file list with progress simulation, and individual file removal — fully token-driven and design-system agnostic.

- Category: Dropzone
- Frameworks: Vanilla, React + CSS, React + Tailwind
- Design system: Aperture
- Dark mode: yes
- Access: free (sign in to copy the code)
- Tags: upload, drag-and-drop
- Page: https://builder.atheros.ai/components/dropzone
- Preview: https://d17nmjscumqk5d.cloudfront.net/builder/templates/tpl_builder_dropzone/preview-e074157001cd.webp

## Features

- Drag-and-drop file upload with visual feedback and animated cloud icon bounce
- Multi-file selection with duplicate detection and per-file size limit (25 MB)
- Animated file list with staggered entrance, file type icons, and size formatting
- Individual file removal with slide-out animation
- Simulated upload progress bars with staggered start and completion tracking
- Keyboard accessible dropzone and file removal
- Responsive layout scaling down to 360px

## Accessibility

- **ARIA labels** — All interactive elements have `aria-label`
- **Keyboard navigation** — Enter key opens file picker
- **Focus indicators** — `:focus-visible` with `--ring` outline on all elements
- **Reduced motion** — `prefers-reduced-motion: reduce` disables all animations
- **Live regions** — `aria-live="polite"` on file list for dynamic updates
- **Viewport** — `100dvh` for mobile-safe viewport height
- **Content escaping** — File names escaped via `esc()` using textContent

## Keyboard shortcuts

- `Enter` — Open file picker when dropzone is focused

## Common questions

**Which frameworks is File Dropzone available in?**

File Dropzone ships as Vanilla, React + CSS and React + Tailwind — HTML, CSS, JS and React source you can copy, download or clone into Atheros AI Builder.

**Is File Dropzone free?**

Yes. File Dropzone is a free component: preview it without an account, and sign in with a free Atheros account to copy or download the full source and customise it with AI.

**Does File Dropzone support dark mode?**

Yes. File Dropzone ships light and dark themes, both drawn from the Aperture design system's tokens. Switch the preview to dark mode to compare them.

## Get the code

Preview File Dropzone live, then sign in to copy or download the source, apply another design system, or ask the AI assistant to change it: https://builder.atheros.ai/components/dropzone

Every component on https://builder.atheros.ai is also reachable from Claude Code, Cursor and Codex through the Atheros MCP server (paid plans). Component index: https://builder.atheros.ai/llms-components.txt