Encrypt PDF Document
A-PDF Merger, a powerful PDF combination program, can merge two or more PDF files and images into a single one. The user-friendly interface make sure that everyone can get exactly what he want.
In addtion to providing users concise interface and powerful function, A-PDF Merger also allows you to specify many setting options to personalize the output file. For example, you can edit the author, title, subject, keywords; add page number to ouput file; encrypt the output file by set a password etc.
Encrypt output PDF file
A-PDF Merger allows you to encrypt output PDF document with password. To do this, follow steps listed below.
- Launch A-PDF Merger and load PDF files into list by clicking the button "add."
- Click Tools => Option in the menu to active option window.
- Choose "Security" tag in the menu of Option. then highlight "adding security" option (see below), then you can add a password to output file.
- In addition to setting an opening password, A-PDF Merger also allows you restrict permissions with password, such as "Print Allowed " and "Changes Allowed"
Print Allowed
Changed Allowed
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