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Hello! I have lost my PDF file password, I wonder how I can get it back

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PDF Password Remover is an amazing and professional software to remove the use/open password and restrictions (owner password) on printing, editing and copying from your PDF files.

Posted on Dec 07, 2013

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Try to use PDF Password Genius. It can recover your lost PDF file password in short time. Just like the following picture. Open encrypted PDF file. Choose Type of attack.
Hello! I have lost my PDF file password, I wonder - c643e5cb-648a-43df-b073-7fb44516472e.png
c8f12c8c-b58e-4105-a80c-4303502c438f.png
Click "Start" to recover lost PDF file password. Few seconds later, you will see the following window pops up. The password for PDF file is on the window.

Posted on Aug 29, 2013

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Quickly search for the user/open password to your encrypted PDF file using the most popular password-cracking methods: Brute-force attack, Mask attack and Dictionary attack. Stellar Phoenix PDF Password Recovery

Posted on Sep 02, 2016

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You can ask SmartDoctor for help.PDF Password Remover 5.0 can help you remove pdf password,and works great.
1.Click "Open" button of the File Name to browse the full path of the PDF file.
2.On the "Recovery" tab, select "Brute-force Attack (Trying All Possible Combinations)".
3.Click "Start" button in the Menu to initiate the program.
http://www.recoverlostpassword.com/products/pdfpasswordrecovery.html

Posted on May 05, 2010

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A few days ago, I have a got a password protected PDF file form Internet. I tried to contact the webmast for the password but arrived at no result. However, I got another PDF password recovery software, named PDF password Unlocker, which help to recover PDF password so I can view and modify the PDF content!

Hello! I have lost my PDF file password, I wonder - 106eaf3.gif

Posted on Mar 25, 2010

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Top 5 PDF Password Recovery Software You Should Know About


<span>Have you ever confronted the trouble that you are forbidden from accessing into the password protected PDF-format novel when going to read the end of a fancy novel? Or, when you are about to extract or print your graduate thesis, you can do nothing but write it down by hands with the PDF files password protected. For your reference, we are going to discuss top 5 appreciated<b><a href="http://www.passwordunlocker.com/knowledge/collection-pdf-editor-pdf-convertor-pdf-password-recovery.html"><span> </span>PDF password recovery software</a></b>, which help you<b><span> </span>recover PDF password</b>casually.<br />But another problem comes out: how to select a worthwhile and excellent<span> </span><b>PDF password recovery software</b>? Which is more valuable and affordable with a flock of toolkit on the website? We hope you enjoy drinking up all of our spine-tingling suggestions (with the lights on, of course). Let's discuss!<br /> 1. PDF Password Unlocker --- Instant PDF Password Recovery Software<img src="pdf-unlocker.jpg" /><a href="http://www.passwordunlocker.com/pdf-password-recovery.html"><b>PDF Password Unlocker</b></a><span> </span>is an easy-to-use and handy software to<span> </span><b>recover PDF password</b>, which you can regain lost or password-protected password within a few minutes in despite of the length and complexity of password. What's more, three types of attacks are available for PDF password recovery: Brute-force attack, Brute-force with mask attack and Dictionary attack. You can select one of them as your cases. It is also worth to mention that a vivid and friendly interface appears when access in the application.<br /> 2. PDF Crack --- Recover PDF password free of Charge<b>PDF Crack</b><span> </span>is designed to recover PDF password without any cost. Though there is plenty of commercially available PDF password recovery software to unlock lost/protected/forgotten password for PDF files or documents, this is a free Windows binary version of the open source PDF crack utility for Linux. Of course, it should be used for legitimate purposes.<br /> 3. Recover PDF Password --- Various Methods to Recover PDF Password<b>Recover PDF Password</b><span> </span>is the<span> </span><b>PDF password recovery software</b><span> </span>which offers several recovery solutions to recover PDF password by password length, by template and exhaustive search. Furthermore, this PDF password recovery software supports to decrypt all Adobe Acrobat PDF files or documents. However, it seems to not be easy-to-use for a novice as its complicate program.<br /> 4. PDF Password --- Award-Winning and Feature-rich Password manager<b>PDF Password</b><span> </span>is the application that you can recover PDF password with Online Password Calculate which you may calculate the time it takes to remove PDF password. It is said that this<span> </span><b>PDF password recovery software</b>guarantees a 100% success rate with a simple password. But, it will take a long time when encountering a complex password.<br /> 5. Advanced PDF Password Recovery --- Get Access to Password-protected PDF Files Efficiently<b>Advanced PDF Password Recovery</b><span> </span>is designed to get access password-decrypted PDF files swiftly and efficiently. With this<span> </span><b>PDF password recovery software</b>, you can easily recover PDF password with all versions of Adobe Acrobat or any other PDF application. Meanwhile, this toolkit supports GPU acceleration and Optionally removes JScript code, form fields and digital signatures.<br />With these top 5 PDF password recovery software, is it convenient to solve PDF password decryption? According to the above mentioned information, we believe you will find a favorite one to<b><span> </span><a href="http://www.passwordunlocker.com/products/recover-pdf-password.html">recover PDF password</a></b><span> </span>with ease. Then you can open, edit, copy or print PDF files without any difficulty.<br /></span>

on Apr 22, 2011 | Computers & Internet

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How to edit password protect PDF file


PDF file is playing a crucial role in our office,study life. We need to deal with these documents very often. In school, we write our paper and hand in PDF format to professor . In office, we archive files in PDF format. All these suggest that, PDF is quite a popular format to share our idea with others.


These mainly due to the stability of PDF, the practical and powerful features . Unlike Word format, it is not easy to edit for owners can add password to proteceted the pdf from editing,copying,printing. But excellent feature can become weak point because there is still some reason for you to edit these password protect PDF file, you do have the right but the password is lost .But as we all know, Adobe Acrobat wil cost us a lot. How to edit password protect PDF file is the main idea of these article.


Method 1 Use PDF converter


It has been my experience. First you should find a good PDF converter not online conversion , I won

on Dec 06, 2010 | Computers & Internet

3 Answers

How do i recover my password i forgot the sceret question and zip code


If you want to recover password,SmartDoctor can reset/recover/remove lost or forgotten passwords for Windows, PDF, Office and so on,you can go to see if it can help you recover your password.
http://www.recoverlostpassword.com/products/zippasswordrecovery.html

Apr 06, 2010 | Yahoo Mail

1 Answer

Excel password recovery


Hello sandy,

if you like, I can recover your excel password for you (you send me your file, I recover it, and send back to you)

or, if you like, I can teach you how to do it.

which one do you want?

regards,
Jerry.

Feb 22, 2009 | Computers & Internet

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How to remove PDF Password Securty ?


PDF is really a good thing for reading and sharing as it has great reliability.Almost any one on any computer system can view PDF with PDF Reader.

However,due to the copy-right or data protected,when creating PDF,we may put password to prevent from editing,copying and so on. But sometimes,there may be reasons to unlock or crack PDF password.We do have the legal right to use the password protected PDF document,but have unfortunately forgotten the password.


What is PDF password?

Generally speaking, there are two kinds of password provided by Acrobat PDF standard security. "user password " and "owner password ".

"User password" is also called "open password ", it is the password defined by the people who create the PDF file, and it is used for protecting the PDF files from opening by others. Only people who enter the password can open the protected PDF files.

"Owner password " is the password that set to protect the PDF files from changing by others. With an "owner password", the owner can protect the PDF files from printing, editing or selecting text and graphics.

How to remove PDF securty?

There can be lots of situations where you would want to use a password protected file! So how can you unlock secured PDF files ? In this article I will show you how to unlock secured PDF files to edit,copy or print.

You need a PDF password remover. Or Adobe Acrobat is the best if you want to pay lost of money and lost of time.I strongly recomment this alternative: Advanced PDF Password Remover.



You need to downlod the program launch PDF password remover and then add file to begin.When finished it will show you the files securty password has been removed,then you can edit or copy,print etc.

The process just need a few seconds.If you want to know more details, please visit the official website.

on Nov 29, 2010 | Computers & Internet

Tip

PDF encryption, set PDF password and recover PDF password


PDF encryptionGenerally, PDF files are with a password called User Password, which is used to open the file and view the document. To encrypt a PDF password does not simply mean you can’t open and view the document, but PDF files have five to seven encryption ways to protect the file for office needs. Owner password, the other password of PDF files, is another crucial PDF password, which is to protect the file from maybe being copied (to Clipboard), printed, or modified, etc. So, in speaking of PDF password, it doesn’t necessary mean the one which you use to open the file.
PDF encryption largely relies on the sophisticated algorithm that hardly to be reversed. For example, you are easy to calculate that 1000 plus 1 is 1001, however, the reverse is seemed impossible, for 1001 can be an answer of countless calculations. PDF encryption works in the similar way. In this sense, given a password, it’s easy to deduce and decipher some data; however, the reverse PDF password recovery seems impossible.
Generally speaking PDF encryption with 128 bits key value is much more secure than that of 32 bits. PDF encryption is accomplished by a key value, either 128 or 32 bits in size. When using the key, all the bytes are changed (unless they are decoded back with the same key) into meaningless codes, and the file is impossible to be opened. Only the meaningless codes are calculated back using the correct value is it possible to get the correct password and open the file. 128 bits has a lot more possible values than the one with 32 bits, so it is much more secure. If your password is forgotten and intend to recover PDF password, PDF Password Unlocker software could be faster, for it supports 128 bits encryption, either 128 bits RC4 or 128 bits AES encryption.

PDF files are composed with objects, like image Objects, graphic Objects, and text Objects, etc. The key is calculated for each PDF Object in the PDF file using local data, which is much hard to crack, as the key keeps changing.
Set and remove PDF passwordsAdd a PDF Password1. Click the Secure button pdf-encryption-and-pdf-password-recovery_clip_image002.jpg in the Tasks toolbar, and choose Password Encrypt.
2. Click “Yes” to the prompt about changing the security, and if necessary, type the Permissions password that lets you change security settings. If you don’t know the password, contact the author of the PDF.
3. In the Password Security - Settings dialog box, set the security options as desired, confirm the password, click OK, and then click OK again.
4. Save the document to apply the security settings.
Note: You can also restrict editing capabilities when you certify a document, or when you apply a policy to a PDF.
Remove PDF passwords and security settingsYou can remove PDF passwords and security policies from an open PDF if you have the permissions to do so. If the PDF is secured with a security policy that resides on a server, the changes can be made only by the author of the policy or by a server administrator.
1. Do one of the following: Click the Secure button pdf-encryption-and-pdf-password-recovery_clip_image002_0000.jpg in the Tasks toolbar, and choose Remove Security.
Type your password, and click Yes to the prompt about removing the security.
In the Security tab of the Document Properties dialog box, choose No Security from the Security Method menu.
2. When prompted, specify the Permissions password, and then click OK. Recover PDF password in case you forgot it.Every coin has two sides. Even the PDF document is strongly encrypted with passwords, it is impossible to insure that it is secure. Once you forgot PDF password, the data in the encrypted PDF file are on the risk of unavailability. Unless fortunately the password knocks your memory again, you got the data lost or you have to give up the document eventually. With the ever-growing of strong encryption algorithms, decryption algorithms gradually come into existing, too. Though the cracking is far more difficulty than ever before, it is still of help to those expecting to recover PDF password and access the password protected PDF file. Take PDF Password Unlocker, a popular PDF password recovery software, for example, it has adopted the advanced decryption algorithms to crack 40-bit RC4, 128-bit RC4, 128-bit AES, and 256-bit AES encrypted passwords with 3 attack methods, Dictionary attack, Brute-force attack, and Brute-force with Mask attack
Reference: http://www.passwordunlocker.com/knowledge/pdf-encryption-and-pdf-password-recovery.html

on Apr 30, 2010 | Computers & Internet

Tip

How to recover lost PDF Password


What can you do if you have forgotten password for PDF protected file,it appears"Enter the password".You don't have the password .So how to decrypt password protected PDF Files?

SmartDoctor has released PDF Password Recovery 5.0,software said to recover the passwords of protected PDF documents,even when unusually complicated or long.Successfully unlocked documents are accessible without printing,copying or editing restrictions.

The program supports all character encodings, and can recover passwords entered with any input language or keyboard layout.It is easy to use



1.Click "Open" button of the File Name to browse the full path of the PDF file.

2.On the "Recovery" tab, select "Brute-force Attack (Trying All Possible Combinations)".

3.Click "Start" button in the Menu to initiate the program

4. Some time later, a message box pops up to you, showing the User Password expected. Click "Remove All Passwords from the File" to remove all the restrictions placed on the PDF file. Click "OK".




on Apr 29, 2010 | Computers & Internet

Tip

Remove PDF Password and Unlock Password Protected PDF file to View or Modify PDF...


PDF files have become the defacto document standard on the Internet. Why? Well because it is the Portable Document Format. The file you created will look just like you had prepared it, irrespective of the software used to create or read the file or whether the other person has the fonts you used. It also offers hundreds of other options that make it truly great for the power user.
However sometimes you get a PDF file from a friend/colleague or from the Internet that is password protected. Some require a password to open, others have the fonts, images and other content protected and others prohibit you from printing the file. You can of course contact the person concerned to get the password, but there can be plenty of situations where you would want to use a password protected PDF file otherwise! So, here I tell you a wonderful tool PDF Password Unlocker.
PDF Password Unlocker is the PDF password recovery software that allows you to remove PDF passwords and open protected PDF files. PDF Password Unlocker recovers PDF passwords instantly and removes all the restrictions for copying, printing and other actions. It is powerful enough to recover PDF passwords of any strength with a speed higher than most of the existing programs. It's a premium program that unlocks PDF files created by either Adobe Acrobat PDF or any other PDF applications.
Main Features:
  • All Adobe PDF versions are supported through the latest 9.0
  • Support PDF files created by other PDF applications
  • Recover PDF password for opening the file
  • Instantly remove restrictions and enables copying, printing and other actions, etc.
  • Powerful enough to recover passwords of high strength
  • Support 40-bit RC4, 128-bit RC4, 128-bit AES, 256-bit AES encryptions
  • Available of brute force, brute force with mask and dictionary attacks
  • Double in speed when compared to similar programs
  • Up to 4,000,000 passwords/s for single-cored CPU, and 8,000,000 passwords/s for multiple-cored CPU computers.
  • Able to minimize the recovering time by customizing a password character set if any part of the password is known
  • Able to create your own dictionary for the program to base on
  • Automatically save the recovery process and resume if accidentally stopped
  • Work on both single-cored CPU and multiple-cored CPU computers
  • Simple utility and easy to use
    PDF Password Unlocker is the simpliest PDF password remover for encrypted Adobe Acrobat PDF documents. It is the ever easiest-to-use PDF password recovery tool to recover and remove both the "User Password" and "Owner Password" efficiently and safely, making it possible for you not only to open but to modify the PDF document. Thereafter, instead of locked out of the document, you can open it and perform all the operations as you like, such as select text and graphics, change or add annotations, copy to Clipboard, modify the content, and print the document, etc. Functions as an Adobe Acrobat PDF cracker, it is super easy to use! Just give the full path of your PDF to the program and with a mouse click to the "Start" button on the program will be OK. There is no related knowledge required, even a kid can manipulate successfully.
  • on Apr 20, 2010 | Computers & Internet

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