Utility to recover lost passwords to password-protected PDF files (*.pdf). PDF Password decrypts user and permission passwords only. PDF Password does not allow to crack DRM (Digital Right Management) system. If user password (also known as password to open) is either not set or known, decryption is being done instantly. Unfortunately, if a user password is unknown, there is no easy way to break the password to a PDF file. Universal recovery methods, such as Brute Force Attack and Dictionary Search, must be used. The brute force speed is usually under one thousand passwords per second even on a top-speed modern PC. The password recovery methods used by PDF Password: Brute Force Attack, Dictionary Attack, Smart Force Attack, Password Variation, Reset password (only if user password is either not set or known).