PDF Password Unlocker 4.0 is one of the fastest solutions to password recovery for encrypted Adobe Acrobat PDF documents. It is one of the ever easiest-to-use PDF password recovery tools to recover the "User Password" and removes the restrictions on copying, printing and other actions efficiently and safely, making it possible for you not only to open but to do the actions with the PDF document. Thereafter, instead of locked out of the document, you can open it and perform all the actions as you like, the PDF password recovery tool supports to recover passwords for Adobe Acrobat PDF files of all versions through 9.0 and PDF files created by other applications.

Functions as a PDF password recovery tool, it is super easy to use! Just give the full path of your PDF to the program and with a mouse click to the "Start" button on the program will be OK. There is no related knowledge required, even a newbie can manipulate successfully. Meanwhile you don™t have to install Adobe Acrobat software and the recovery is fast with a matchless speed. It has ranked one of the rare PDF password recovery tools with the matchless speed, 4,000,000 passwords/s for the single-cored computer and this doubles when run on a dual-cored computer. Additionally, through the whole process, there is no human interaction needed, you just leave the program to do the job will be OK. Empowered with the three attack modes, brute-force attack, brute-force with mask attack and dictionary attack, it also works dynamically and efficiently. The program will do a full-scale detection and try countless possibilities to attack the password until the result appears! The featured point of this program is that the program offers an attack scheme for specific password case. For example, you can select brute-force attack mode to attack the password, if you can™t remember anything at all about the password. You can try brute-force with mask attack mode, if you can remember part of the password, like the length,

Key Features:

Support PDF created both by Adobe PDF and other applications

Recover User Password for opening the file

Double in speed when compared to similar programs

Up to 4,000,000 passwords/s for single-cored CPU, and 8,000,000 passwords/s for multiple-cored CPU computers

Simple utility and easy to use

Features:

All Adobe PDF versions are supported through the latest 9.0

Support PDF files created by other PDF applications

Recover User Password for opening the file

Instantly remove restrictions and enables copying, printing and other actions, etc.

Powerful enough to recover passwords of high strength

Support 40-bit RC4, 128-bit RC4, 128-bit AES, 256-bit AES encryptions

Available of brute force, brute force with mask and dictionary attacks

Double in speed when compared to similar programs

Up to 4,000,000 passwords/s for single-cored CPU, and 8,000,000 passwords/s for multiple-cored CPU computers.

Able to minimize the recovering time by customizing a password character set if any part of the password is known

Able to create your own dictionary for the program to base on

Automatically save the recovery process and resume if accidentally stopped

Work on both single-cored CPU and multiple-cored CPU computers

Simple utility and easy to use

Highlights:

Support Adobe PDF versions from 3.X to 9.X
Support PDF files created by other PDF applications
Support 40-bit RC4 encryption
Support 128-bit RC4 encryption
Support 128-bit AES encryption
Support 256-bit AES encryption
Instantly enable actions for copying, printing and others
4,000,000 passwords/s and 8,000,000 passwords/s for multiple-core computers
Available in 3 attacks brute-force, brute-force with mask, dictionary
Able to minimize the recovery time by customizing the password character set if any part of the password is known
Save the recovery process and resume if interrupted or terminated unintentionally
Support multiple processor, multiple core
A year's free upgrade and technical support