PDF Password Recovery

If you forget the PDF User Password or Owner Password, the PDF Password Recovery Tool will help you not only recover your pdf passwords, but also can remove some restrictions of PDF file, such as removing PDF Signature, and some pdf password recovery program can let you remove the user password or owner password of the pdf file.

Some pdf password recovery software has its own new technology or unique feature, such as Network distributed search technology, Xieve, CPU and GPU acceleration etc,. These technologies can help you quickly and efficiently recover your PDF passwords. You can choose a proper program by your requirements.

NOTE: The accuracy and passwords search time depends on the complexity of the passwords and password recovery configuration. You may need to try variety of strict password recovery configuration, that will help you restore your pdf passwords quickly and accurately.

PDF Password Recovery's important and necessary featuresBrute-Force attack: Brute-force attack finds passwords by checking all possible combinations of characters from the specified Symbol Set. This is the slowest, but most thorough, method.
Dictionary attack: In cryptanalysis and computer security, a dictionary attack is a technique for defeating a cipher or authentication mechanism by trying to determine its decryption key or passphrase by trying hundreds or sometimes millions of likely possibilities.
Mask attack: Shorten the recovery time by specifying the forgotten password search range like password length and character set, etc.
Distributed Search Technology: Searching for PDF password using the network distributed search involving multiple computers at the same time, which speeds up the PDF password recovery a lot.

Product ComparisonWe made a detailed general PDF Password Recovery products comparison, and this comparison can help you easily understand the difference between the most popular PDF Password Recovery Apps by features, price and other details

2016 Top 4 PDF Password Recovery Apps Comparison and Reviews

There are two types of PDF passwords: User Password and Owner PasswordUser Password, also called Open Password. If your PDF file is protected by User Password, you could not open the file except you input the User Password.
Owner Password, also called permissions/master password. If your PDF file was is encrypted by Owner Password, you can open the file and view the contents without requiring you input the password, but you can not modify/edit, copy or print the file content.

Comparison of PDF Password Remover and PDF Password Recovery

PDF Password Remover

PDF Password Recovery

This kind of software is not PDF password crack software, and it can only help you remove the passwords and restrictions of pdf documents. And you should know:
- If the PDF files only have Owner passwords, you can directly remove the PDF restrictions, and no original passwords required.
- If the PDF documents require a User/Open password, you should input the original password first, and then you can remove the pdf file restrictions.

This kind of software is PDF password crack software, and it can help you find back your forgotten passwords.

If you want to remove PDF Passwords, please browse

Our editors have done the following work to save your time

List all the popular PDF Password recovery.
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