# 4KHD Plus

[中文](./README.zh-CN.md)

Userscript that adds a reader mode to [4KHD](https://www.4khd.com/) and its mirror sites.

## Features

- **Reader Mode** — Full-screen single-image viewer with keyboard/mouse/scroll navigation
- **Smart Entry** — Enters reader mode at the image currently visible in your viewport
- **Cross-Page Loading** — Automatically fetches next/previous pages, seamless browsing across all pages
- **Thumbnail Scrollbar** — Draggable scrollbar with thumbnail preview panel for quick jumping
- **Auto Play** — Slideshow mode with configurable interval
- **Floating Controls** — Toggleable floating button with settings panel

## Supported Sites

`4khd.com` · `xxtt.ink` · `uuss.uk` · `ssuu.uk`

## Install

1. Install [Tampermonkey](https://www.tampermonkey.net/)
2. Install `dist/4khd-plus.user.js` as a userscript

## Build

```bash
npm install
npm run build
```

## License

MIT