ZIP Password Unlocker is an innovative ZIP password recovery utility. With it, you can recover passwords from encrypted ZIP files created by WinRAR 4.01 and its previous versions through Brute-force attack, Brute-attack with Mask attack and Dictionary attack.
Key Features
Powerful ZIP Password Recovery
Recover passwords from ZIP files created by WinRAR 4.01 and its previous versions. It works well even you encrypted file names.

Recover Fast with Advanced Algorithms
Allow you to enjoy a higher speed in recovering lost ZIP password than many other similar applications by using the advanced and unique search algorithm. And multi-core CPU and NVIDIA CUDA technologies will be available soon.

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

Auto-save Recovery State
Allow you to enjoy a higher speed in recovering lost ZIP password than many other similar applications by using the advanced and unique search algorithm. And multi-core CPU and NVIDIA CUDA technologies will be available soon.

More Features
System Requirements
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
Demo Limitations
Trial version recovers the first 3 characters of your lost PDF password.
Trial version doesn’t support Dictionary Attack

I was successful in recovering my ZIP password! Your program works great and saves a lot of time. - Josh
