PDF Password Protect Free – program to password protect pdf file
This easy and fast tool designed to encrypt a pdf document. This freeware software will be indispensable in the event that it is necessary to put a password on the pdf files on your computer but no tools to do it. For successful operation of the program must specify the path to the file that you want to encrypt the user password and owner password, set limits on the manipulation of the encrypted document and select the encryption method. This simple program to make secure you can free download on the link, located under the screen shots.
This utility allows you, firstly, to establish the user's password, which establishes protection for opening pdf document. Second, the application allows you to set the owner password, which restricts the right of access to the document. At the same time, you can prevent editing pdf file, print it, copying, and so on.
Once the document is creating secure you can open a protected file as a user with a password, and the password with the help of the owner. However, to remove restrictions on the right of access to a document can only knowing the owner password. Therefore, when you add password to PDF document, these passwords are not encouraged to do the same.
To create password to pdf file, the best pdf encrypter provides a variety of types of encryption: 40-bit RC4, 128-bit RC4, 128-bit AES, 256-bit AES. Moreover, AES encryption is considered more reliable. This tool is designed for use on a PC or laptop with an operating system of Windows, including Windows XP, Windows 7, Windows 8, Windows 10. In addition to the password protection feature of pdf files, the program has a few extra features - removal of security pdf document in the presence of the password owner and finds the password to open the PDF document.