Gain Access to Password-Protected PDF Files Quickly
Forgot the password to open your PDF file? PDF Password Unlocker provides you an easy and efficient way to recover PDF password. Various PDF files (*.pdf) are supported, no matter whether the files are created by Adobe Acrobat or other PDF applications.
- Recover PDF password faster with new technology
- Speed up recovery with Multi-core CPUs and GPUs
- Support Adobe Acrobat or other PDF applications
- Support Brute-force, Brute-force with Mask and Dictionary attack
- Stop and resume PDF password recovery anytime
- Simple and intuitive graphic interface
Recover open password from encrypted PDF files (*.pdf) created with all versions of Adobe Acrobat (exclude Adobe Acrobat X) and other PDF applications.
Note: PDF open password, also called PDF user password, refers to the password used to restrict the opening of a PDF file.
Recover Fast with GPU, Multi-core CPU
Allow you to recover PDF password faster than ever using advanced SSE technology and greatly improved unique algorithms.
Take advantage of GPU acceleration and Multi-core CPUs to greatly accelerate PDF password recovery. It supports NVIDIA CUDA and ATI OpenCL GPUs.
3 Efficient Password Attack Methods
Brute-force Attack – Try all possible password combinations to retrieve forgotten PDF password.
Brute-force Attack with Mask – Shorten the recovery time by specifying the forgotten password search range like password length and character set, etc. (Highly Recommended)
Dictionary Attack – Try the password combinations in the built-in dictionary or a self-created dictionary as your lost PDF password
Search for Encrypted Files
Search feature helps you find your encrypted PDF archives easily and fast by scanning your PC. You can select the type of scan you want to use and scan specific files – from your entire computer system to one or two selected folders.
Auto-save Recovery State
Allow you to interrupt and resume the password recovery process at any time by automatically saving the PDF password recovery state.
OS: Microsoft Windows 98/2000/2003/2008XP/Vista/7 (32-bit or 64-bit)
CPU: 1 GHz processor (2G Hz is recommended)
RAM: 512 MB of RAM (1 GB is recommended)
Disk space: 11 MB of free hard disk space
For Brute-force and Brute-force with Mask attacks, trial version can only recover the first three characters of the password.
For Dictionary attack, the trial version can only check 10000 combinations in the dictionary as possible password.