Pdftool 4+

全新用户界面
管理分类 PDF 文件
支持关键字及日期查找文件
支持荧光笔标注文件（文本及图像 PDF 均可）
可裁剪长文件及导出或合并 PDF 文件
支持系统的OCR功能，识别图像里的文字，包括拷贝、查字典、翻译等（iOS 16.1或之后）
支持键盘快捷键
文件批量导入和导出到外部存储设备 (USB-C)

Designed to provide a visually pleasing and intuitive way to manage/read/highlight PDF documents on iPhone or iPad. Highlighter works for both text based and image based PDF.

You can crop, erase area, merge, and export PDF pages. Crop operation is enhanced to support long document, such as those single page web content in PDF. You can zoom in and out to reposition document to make cropping large document a breeze.

PDF documents can be easily shared to other apps or other compatible devices via AirDrop.

## Main Features

- Manage PDF documents by Tags and Short List
- Crop, Erase Area, Merge PDF pages
- Export
- Highlighting
- Batch operations
- Optimized to work with large collection of PDF documents
- Keyboard shortcuts support for page navigation (when using external keyboard)

## Supported keyboard shortcuts

- Cmd/alt + Left/Right arrow for previous/next page
- Arrow keys to move around page
- Cmd + plus/minus for zooming in/out
- H for highlighter
- T for thin highlighter
- E for eraser
- ENTER for committing changes

Note: The app does not come with sample PDFs. Please add PDF files (such as via AirDrop) for them to show up in the app.