Nowadays, how to protect PDF have never seemd to be a problem for us. There are many many software which are specially designed for protect PDF files. The best PDF Password Protection is just one of them.
All these PDF encrypters can encrypt PDF files as well as decrypt PDF files, What special is that this PDF Password Protection provides you with password pool, if you fogot PDF password, PDF Password Protection will try the passwords in the password pass one by one.
How to Protect PDF?
Preparation: Download PDF Password Protection and install it to get ready for use.
Select Batch PDF Documets Security option, click "next" button to enter the PDF file list window.
Click button, multiple PDF files are allowed to added to PDF Password Protection. You can also remove and clear them by using the buttons under it.
Press "next" button the enter the next step, here you may set whether one need a password the view PDF files, or whether a password is needed to print chang and copy it.
Note: You can also clike the buttons in the bottom the add the properities and expiry date to PDF.
The last step is to click "save as" button to choose an output folder, you can also click "save" to make output PDF files replace the older ones directly.
You can also decrypt PDF files by clicking several buttons, however, if you do not know the PDF passwords, it is unable for PDF Password Protection to find the password for you.