Password Unlocker

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.