Crack PDF password with PDFCrack

PDFCrack is a GNU/Linux open source (GPL) PDF password cracker for recovering passwords and content from PDF files which have been locked and protected with lost or forgotten password. PDFCrack is command line driven without any external dependencies, and use guessing or password cracking method of dictionary attack and brute force attack. PDF Crack supports and works on Linux and other POSIX-compatible systems, and a Windows binary version has also been ported and compiled with Cygwin, a Linux-like environment for Windows.

Features of PDFCrack

• Supports the standard security handler (revision 2, 3, and 4) on all known PDF-versions.
• Supports cracking both owner passwords and userpasswords.
• Both wordlists and bruteforcing the password is supported.
• Simple permutations (currently only trying first character as Upper Case).
• Save/Load a running job.
• Simple benchmarking.
• Optimized search for owner-password when user-password is known.

Usage Syntax for PDFCrack

To use PDFCrack, open a command prompt window, and run pdfcrack or pdfcrack.exe to list out all options available. The default command syntax is as follow:

pdfcrack -f filename OPTIONS

Any options is optional, and not necessary require. So to use PDFCrack to recover and crack owner password or user password of a PDF files, simply enter the following example command:

pdfcrack -f locked.pdf

Replace locked.pdf with the actual filename for the protected PDF files which you have forgot the password. To speed up the cracking process, specific minimum (-n) and maximum (-m) length for possible password, and specify the possible characters (-c) to brute force the password.

What PDFCrack cannot do?

Using the software, you cannot change/override/remove the copy/print/etc. restrictions of the PDF document. If you want to recover a document you can recover the owner-password and then use another tool for decrypting and/or changing the permissions. PDFCrack is a tool for recovering the information with the owners consent, not overriding the allowed usage.

Developer’s website: http://pdfcrack.sourceforge.net/

Direct Download: http://sourceforge.net/projects/pdfcrack/files/

Mz Registry Optimizer from MzTweak Ultimate Tools

Over time registry data becomes scattered within the registry file and when information is deleted from the registry holes are left which fragment the data within the registry.

Mz Registry Optimizer application was designed to optimize your registry by removing gaps and wasted space. This procedure will reduce applications response time and registry access time. The utility is very user-friendly. With a simple process, you can scan your registry for potential problems and instantly fix all the issues. The simple navigation and user-friendly interface are designed specifically for the novice user.

More information and downloading links from the author’s website: http://www.mztweak.com/MzReg.html

Free Portable Uninstaller to Enhance Programs Removal

Free Uninstaller is the freeware software un-installation utility - advanced replacement for standard Windows Add/Remove program option. It is faster than system applet and contains advanced features and capabilities. The main task is smooth removal of the applications, installed on your PC, and cleaning of all invalid entries from the uninstall list.


The Free Uninstaller interface is a very simple and user-friendly. It consists of 3 main elements: toolbar with the most frequently used functions, list of the installed applications, and bottom panel with additional information about the selected application. To uninstall program, select it on the list and click Uninstall. To remove program from list, select it and click Remove.


Invalid elements are highlighted with red. System components are highlighted with dark blue. Since removing system components can damage the operating system, they are hidden by default.


Main Features:

• Removing/uninstalling multiple programs at once. Just select desired applications on the list and click Uninstall or Remove button. (To select multiple programs use Ctrl key.)
• Removing invalid entries from the system uninstall list.
• Saving and loading uninstall lists to/from FUN_LIST files.
• Highlighting invalid elements and/or system components.
• Displaying detailed information on every installed program (name and version, size, producer name, producer web page, comments, uninstall command etc.)
• Sorting list. Ascending or descending.
• "Clickable" registry and www links.
• Large number of options.
• Advanced search option.
• Searching program name and program producer with Google, Yahoo! Search, Live.com (MSN).
• Displaying registry entries created by selected program’s installer. (Details window).
• Exporting displayed list to the HTML file and copying selected elements to the Clipboard.
• Generating backup of the system uninstall list to a REG file.
• Saving and restoring user settings.
• Supported languages: English, Polish.
• Software is portable and does not require installation on your Hard Drive.
• 100% freeware - for commercial and non-commercial use. No adware. No spyware.

Website: http://www.pazera-software.com/products/free-uninstaller/


Download: http://www.ziddu.com/download/4114874/Free_Uninstaller_1.1.zip.html

Free Utility UlimateDefrag: Defragment and Optimize your Hard Drive

UltimateDefrag is one of the best freeware defragmenters on the market, but is even more than a mere defragmenter - is also a hard drive file placement optimizer that enables to defrag and place files in the areas on the hard drive, where they are considered to achieve maximum performance. It is common fact, that most of the time you primarily use just 20% of the files on your hard drive. UltimateDefrag places your rarely used files out of the way and onto the slower performing areas of your hard drive, significantly boosting your Hard Drive performance. The software is highly configurable - it can relocate files based on five different factors.

Even more - you can make this freeware completely portable and carry it around on your USB stick, defragmenting all computers on your way. To make the software portable, follow the simple instructions:

1. Download and run the Ultimate Defrag Setup executable file, installing to the default path.
2. Copy the UltimateDefrag folder from C:\Program Files\DiskTrix to your USB device.
3. Uninstall the software through Add/Remove program, if you do not need it on your desktop (optional).
4. Launch UDefrag.exe from the UltimateDefrag folder to run the program

Developers' website: http://www.disktrix.com/UDIntroduction.htm