Cisdem PDF Manager Ultimate 是一款Mac上强大的PDF编辑工具，功能齐全，支持PDF文件的编辑、创建、扫描、分割、合并、压缩、格式转换等等功能，简单易用，很不错！
软件介绍
The all in one PDF solution from Cisdem that makes you more productive with PDF in every capacity: edit PDF files, convert normal or scanned PDF files, sign, split, merge, compress, comment, collaborate and organize your PDFs with unprecedented ease and speed.
软件截图
