VeryPDF PDF Encrypter

PDF file format supports user password and owner password. Users can set a user password to control the permission of opening a PDF. Owner password can control the access permissions of a PDF. VeryPDF PDF Encrypter is an easy-to-use tool for setting user password and owner password.

You can download the application for free evaluation. After installing and running the application, you will see the main interface of it as displayed in Figure 1.

In the top of the interface, it is a File List. The file list is a process queue where the PDF files in the queue will be processed in the coming progress. The three buttons are for manipulating the items in the process queue. Click Add to add PDF files to the process queue, and Remove to remove a selected item in the queue. Button Remove All will clear the process queue. You can also drag your PDF files and drop them into the File List to add them to the process queue.

Figure 1

Click the button Option and you will get to the dialog box as displayed in Figure 2. Select and check the option Security, and then you will see the security options enabled on the right.

Figure 2

If you input a user password in User Password text box, and leave other input box and radio box blank, the selected PDF will only be protected by the user password. A reader who does nor know user password can not open and read the PDF.

You can also only specify an owner password. Then the selected PDF in the process queue will be encrypted by the owner password. With an owner password, you can control the permission of printing, assembly, copying and commenting PDF by VeryPDF PDF Encrypter.

The two passwords can be used together in one PDF file.

After setting the encryption options, please click Apply to save the option values and return to the main interface. In the interface of VeryPDF PDF Encrypter, click Start and then the selected PDF in the queue will be encrypted with you specified passwords.

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Features of VeryPDF PDF Encrypter.