PDF Expert是一款Mac平台的专业高效的的PDF阅读标注工具，PDF阅读器的重度用户，手中的PDF文件都是难啃的骨头，有的是复杂版式，嵌套诸多公式表格的论文资源，有的是高清扫描，动辄几百MB的整本图书，对于这样的PDF来说，最基本比拼的就是运行速度，总的来说，PDF Expert开启速度快：几乎所有的PDF点击后就能加载出首屏。滚动速度快：当快速略览或者跳章节阅览是，基本可以所点即所见，不会像Good Reader那样频繁出现马赛克底色。缩放速度快：双指放大缩小时，能够显示放大内容，这个指标对于批注和调整PDF细节帮助犹大。

PDF Expert 2.x Multilingual | macOS | 47 mb

PDF Expert springs into action with smooth scrolling and fast search from the first document you select. PDFs open instantly, whether they are just small email attachments or 2000-page reports.

- Professional Annotation Tool

- Read - An award-winning, lightning-fast, tabbed document viewer will get you through multiple PDFs faster than ever.

- Excellent for Form Filling

- An Easy Way to Sign Documents

- Wide Sharing Options

- Works across all your devices

Compatibility:

OS X 10.11 or later, 64bit