PDF Studio是一款功能强大的，易于使用的PDF编辑器，它以Adobe® Acrobat®和其他PDF工具的小部分代价在PDF文档上提供了大量的功能。

Qoppa PDF Studio Pro 10.4.1 | MacOSX | 53 MB

PDF Studio is an all-in-one, easy to use PDF editor that provides all PDF features needed at a fraction of the cost of Adobe Acrobat and other PDF editors. PDF Studio maintains full compatibility with the PDF Standard.

All Features of PDF Studio Standard, Plus:

* Interactive Form Designer

* OCR (Text Recognition)

* Content Editing

* Permanent Redaction

* Compare PDFs

* Optimize PDFs

* Digitally Sign PDFs

* Advanced PDF Splitting & Merging

* Batch Process Multiple PDFs

* Precision Measuring Tools

* PDF/A Validation / Conversion

OS

- MacOSX 10.7 or Later