PDF Rassword Recovery – Page 6 – PDF Rassword Recovery Document Center

How to recover password for ZIP/WinZIP/PKZIP archives

September 19, 2012

This article is mainly about how to use CrackPDF ZIP Password Recovery to recover password for ZIP/WinZIP/PKZIP archives.

What’s ZIP?

ZIP is a file format used for data compression and archiving. A ZIP file contains one or more compressed files to reduce file size. The format was originally created in 1989 by Phil Katz, and was first implemented in PKWARE’s PKZIP utility. It is now supported by many software utilities other than PKZIP.

To use CrackPDF ZIP Password Recovery to retrieve password for ZIP archive, please do as follows:

Step 1. Download and install

Please download the installer of CrackPDF ZIP Password Recovery and install it on the computer by double clicking the installer. Then, please follow the setup wizard to finish the installation.

Step 2. Add ZIP file

After opening the application, you will see the user interface shown as the following snapshot.

Please click the Open button in the tool bar or the Open File button beside the “File name” input box to add the ZIP file into the application.

Step 3. Recover the password for the ZIP file

If you remember something of the ZIP password, please check the radio button of “Brute-force with Mask Attack” in the “Type of Attack for Documents with Strong Encryption” group box. Then, please click the Brute-force tab beside the “Recovery” tab. In the “Brute-force” panel, you can set some parameters to narrow down the password combinations.

If you remember nothing about the password of the ZIP file, please check the radio button of “Dictionary Attack (Recommended)” in the “Type of Attack for Documents with Strong Encryption” group box. Then, please click the Dictionary tab and make the corresponding settings.

If the above two fail, then you can resort to Brute-force with Mask Attack (Trying all Possible Combinations).

At last, please click the Start button in the tool bar on top of the panel to start to recover the ZIP password.

This is the end of this article and you can click the following button to free download CrackPDF ZIP Password Recovery.

PDF Password Cracker

How to remove PDF password and bookmarks

September 18, 2012

With the help of the application PDF Password Cracker Enterprise, you can easily remove PDF password and bookmarks. This article aims at showing how to do this kind of work. Please continue to read the contents below.

PDF password & Bookmarks

PDF password can be classified into PDF owner password and PDF open password. PDF owner password can protect PDF from editing, changing, copying, printing, etc. PDF open password can protect the PDF from opening.

Bookmarks are helpful when viewing the document on screen, but when being printed, it will waste space and slow down the transmission to the RIP.

PDF Password Cracker Enterprise is a professional application that can remove PDF owner password and user password. It can also remove bookmarks, comments, metadata, JavaScript code, embedded thumbnails, digital signatures, etc. from PDF.

In the following contents, you will see how to use it to remove passwords and bookmarks from PDF.

At first, please download PDF Password Cracker Enterprise. Then, please follow the setup wizard to install it on the computer.

After opening the application, please click the Load button within the “Encrypted PDF File” panel to add the encrypted PDF file into the application.

Then, in the “Type of attack” drop-down list, please select a proper attack method to remove the PDF passwords and bookmarks. If you remember part of the PDF password, please choose the “Brute-force” method and then set parameters in the “Brute-force range options” group box. If you choose the “Dictionary” method, you can load a new dictionary in the “Dictionary options” group box. The “Key search” method can be used after you tried the above two methods.

To remove PDF bookmarks, please click the Options button at bottom of the interface. In the pop up “Remove more security options from PDF” window, please check the radio button of “Remove bookmarks” and then click the OK button on the right side to enact the checking and go back to the main interface. Please see it in the next snapshot.

At last, please click the Start button at bottom of the main interface or the Decrypt button beside the “Load” button to start to remove the PDF passwords and bookmarks.

In the end of this article, if you are interested in PDF Password Cracker Enterprise, please download it via clicking the following button.

PDF Password Cracker

How to remove password and other security data from PDF

September 17, 2012

If you use PDF Password Cracker Enterprise, you can easily remove password and other security data from PDF.

PDF Password Cracker Enterprise is a powerful Windows application. It can not only remove PDF owner password that protects PDF from copying, printing, modifying, etc., but also remove PDF user password which protects PDF from being opened. In addition, it can remove other security data such as metadata, private data, java script actions, form actions, embedded thumbnails, bookmarks, digital signatures, comments, etc. from PDF.

In the following contents, you will see how to use this application to remove PDF password and other security data.

1. Please free download PDF Password Cracker Enterprise. Then, please install the application on your computer via following the setup wizard.

2. In the opened interface of the application, please firstly add password protected PDF document with drag and drop operations. You can also click the Load button within the “Encrypted PDF File” panel to open file picker window in which you are able to choose PDF document.

3. In the drop-down list of “Type of attack”, please choose a suitable attack method to remove the PDF password. The “Brute-force” method is useful when you can recall something of the PDF password. The “Dictionary” method will remove the PDF password by dictionary. The “Key search” method can be used after you tried the above two methods.

If you choose the former two methods, you can set some parameters in the corresponding “Brute-force range options” group box or“Dictionary options” group box.

4. To remove other security data, please click the Options button at bottom of the interface. Then, you can see the “Remove more security options from PDF” window on your screen. Please see it in the following snapshot.

You can check the corresponding radio button to remove metadata, JavaScript code, embedded thumbnails, bookmarks, digital signatures, comments, etc. from PDF. Then, please click the OK button on the right side of the window to enact the settings and go back to the main interface.

5. Please click the Start button at bottom of the main interface or the Decrypt button beside the “Load” button.

Then, the application will remove the PDF passwords and other security data.

This is the end of this article and you can click the following button to free download PDF Password Cracker Enterprise.

PDF Password Cracker

How to decrypt password protected PDF documents

September 14, 2012

If you forget the password of your PDF document and you need to use it urgently, you might as well try to decrypt PDF document with the help of the application PDF Password Cracker Pro.

PDF Password Cracker Pro is a professional Window utility that can help you easily unlock PDF documents. It is able to crack PDF password, including owner password which protect PDF from being copied, printed, modified, etc. and open password which protect the PDF from being opened.

Please see the following contents which are about how to use this application to crack passwords for decrypted PDF documents.

Firstly, please download the installer of PDF Password Cracker Pro. After the download, please double click the installer and follow the setup wizard to install it on your computer.

Secondly, please open the software and add password protected PDF document into the application. You can add the encrypted PDF file via one of the following methods.

Click the Load button in the “Encrypted PDF File” panel and choose the file in the opened file picker window.
Directly drag and drop the PDF document into the application.
Directly input the file path of the PDF document in the input box beside the Load button.

Thirdly, in the “Type of attack” drop-down list, please choose a method to crack the PDF password based on your actual situation. If you remember nothing about the forgotten PDF password, please try the “Dictionary” method which will decrypt the password protected PDF document by the dictionary in the application or on your computer. Please see it in the following snapshot.

In the “Dictionary options” group box, you can:

Click the Load button within this group box or input a dictionary file path in the input box beside it to load a new dictionary on your computer.
Check or uncheck the radio button of “Try all possible upper/lower case combinations” to construct passwords from dictionary file automatically.

Lastly, to start the decryption of the PDF password, please click the Start button at bottom of the interface. You can also click the Decrypt button beside the “Load” button to decrypt the PDF document.

So, with this application, you can easily decrypt or unlock your password protected PDF document. If you want to use PDF Password Cracker Pro, please download the free trial of it via clicking the following button.

PDF Password Cracker

How to recover PDF owner password and user password

September 13, 2012

If you want to recover PDF password, PDF Password Cracker Pro will be a good assistant for you.

PDF Password Cracker Pro is a professional PDF password recovery application. It can recover PDF owner password that protects PDF from copying, printing, modifying, etc. It can also recover PDF owner password which protects PDF from being opened.

If you don’t know how to use application to recover passwords for PDF documents, please download the free trial version of PDF Password Cracker Pro at first. Then, please follow the steps as shown below.

1. Please double click the downloaded file and follow the setup wizard to install it on your computer.

2. Please open the software and add the encrypted PDF into it by clicking the Load button within the “Encrypted PDF File” panel. Or directly drag and drop the password protected PDF it into the application.

3. Please choose a method to recover the PDF password in the drop-down list of “Type of attack”. There are three options in the list: Brute-force, Dictionary and Key search. If you can recall some part of the PDF password, please choose the “Brute-force” method. If you want to recover the PDF password by dictionary, please choose the “Dictionary” method. If you remember nothing about the password, you can choose the last method – Key search.

4. If you choose “Brute-force”, you can narrow down the PDF password scope in the “Brute-force range options” group box. Please see it in the next snapshot.

Note：All special symbols (!@…) includes `~! @#$ %^&*()-_=+\|,./<>?;:'”[]{} and All printable refers to the following: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghjiklmnopqrstuvwxyz0123456789 `~! @#$%^&*()-_=+\|,./<>?;:'”[]{}

5. Please click the Start button at bottom of the interface or click the Decrypt button beside the “Load” button. In the pop-up “Save As” window, please choose an output location in the “Save in:” drop-down list, input a name in the “File name:” edit box and click the Save button in the window.

Then, the application will start to recover the PDF passwords.

This is the end of this article and you can click the following button to try PDF Password Cracker Pro.