This is a very simple free program with easily understandable interface. Use of this product may be people with any level of training. PDF Password Lock Free does not remove or change your computer, so it is completely safe to use.

You can encrypt a PDF file as a user password and owner password, even if your computer does not have programs for working with PDF files. Simply point the program to the file path and write passwords.

You can choose the encryption method for the PDF file. PDF Password Lock Free enables encryption of 40-bit RC4, 128-bit RC4, 128-bit AES, 256-bit AES. The user can select the type of restrictions on working with PDF files - a ban on copying, printing, changing the content and so on.

This program allows you not only to set a password for a PDF file, but remove it from the owner password, which is especially convenient when you do not have installed the program to work with PDF. PDF Password Lock Free also allows you to recover your forgotten password to a PDF file.