PDF Knowledge

Show All Categories >

Windows Password Recovery Tool

World's 1st Windows Password Recovery Software to Reset Windows Administrator & User Password.

Try it Free Try it Free

PDF has two types of passwords: Owner Password and User Password. This article will show you the details about PDF owner password and user password, and the difference between them. Read on, please.

Forgot PDF password to open? Read this article and learn about how to recover PDF user password (password to open) in an easiest way.

Here we list the top 7 free PDF unlocker tools for you to remove PDF password free. Just keep reading and find a suitable PDF unlocker freeware for yourself.

Have multiple PDF files and want to merge them into a single document? Keep reading and learn about how to combine PDF files in Mac OSX.

Forgot PDF password to open (user password)? This article shows you how to open password protected PDF files with powerful PDF Password Recovery software.

Want a PDF decrypter to decrypt PDF password so that you can edit, copy and print it freely? Here we will show you the best PDF Decrypter software for you. Read on please.

Have an encrypted PDF file and want to remove PDF encryption? Read this article and learn how to remove PDF encryption password protection with PDF Encryption Remover.

PDF is protected from printing, copying, editing? Use powerful PDF Password Cracker to crack password protected PDF files instantly.

Forgot PDF password that protect the PDF from printing, copying, editing. This article shows you how to remove PDF security password with a powerful PDF password remover.

Looking for a PDF Permission Remover tool to remove PDF permissions so that you can copy, edit and print freely? Read this post and learn how to remove PDF permissions in an easy way.

Need PDF Restrictions Remover to remove restrictions of printing, copying or editing? Here is the best PDF restrictions remover solution for you.

Want to remove PDF security so that you can copy, edit and print freely? Read this article and learn how to remove PDF security password with PDF Security Remover.

Adobe PDF file can't be modified? Want to remove PDF permission password? This article is a good troubleshooting for you.

This article will illustrate the tutorial for how to remove PDF security when you need to copy, edit and print some files but just find it protected by a permission password.

Want to unsecure PDF file? There is stunning software to help you unsecure secured Adobe PDF in Foxit. Follow this guide to know more information about removing security from PDF file.

Urgently need to print an encrypted PDF document? Never mind, this article guides you how to break PDF password within server clicks.

To edit password protected PDF files, you need to input the password at first. But what if you forgot it? To remove PDF owner password is somehow a kind of solution. Let's take a look at the operation.

Forgot an encrypted PDF document but urgently needed to print it? Never mind, this article shows you top 2 methods to help you recover forgot PDF password.

PDF Password Hacker helps to hack pdf security so that you can use PDF files without any restrictions. You can edit, print, and copy them freely. This article will introduce the PDF password hacker in detail.

Want to access a password-protected PDF file for editing and priting? Learn how to crack and edit an encrypted PDF file easily and quickly with PDF Password Recovery.

Get a useful PDF report but can't open and edit it? This article shows you top 3 methods to hack password-protected PDF files on Mac.

Can't open a PDF file with password? You can find an easy solution on how to open password-protected PDF files here.

Are you looking for a useful PDF Password Cracker? Here is reliable software that allows you to decrypt PDF files and enables you to edit, copy and print those PDF files.

This article shows you easy method on how to print password protected PDF documents within several steps.

This article mainly talks about how to recover PDF edit password with PDF Password Remover when you have no idea about the edit password.

Can't edit PDF files? This article shows you the easiest way to remove password from PDF files. You can edit, copy and print freely and easily.

Receive a PDF with security features? Never mind, you can unlock secured PDF within several clicks of your mouse by using PDF unlocker software.

Need to unsecure a secured PDF file? This article tells how to unprotect PDF without password to open, edit, copy and print freely.