A guide for you to get familiar with your work environment;

A simple, fast way to deal with multiple PDF documents;

Export PDF document as other file formats, and they can also convert into each other;

Signing to anthenticate PDF document, and using passwords to control who can access or modify the PDF document;

Some functions in PDFCool Studio which are outstanding among the similar products;

Involves frequently used edit functions, including Edit/Add/Delete/Copy/Replace Text etc.