Cisdem PDF Password Remover for Windows User Guide

Cisdem PDF Password remover is a program helps you remove both open password (user password) and permission password (owner password) of the PDF files, which makes it easy to open, print, edit and copy the PDF files without any restrictions. To facilitate you to get started, in this guide we will show you the detailed steps how to remove password from PDF files.

 

Part 1 Download & Install

1. You can download the installation package of Cisdem PDF Password Remover from the below link.

Free Download

2. Install Cisdem PDF Password Remover with the downloaded package.

Double-click the .exe file to run it.

Select a folder to install the program (It is recommended to save it under D: drive instead of C: Drive)

Click Next > Next > Install to continue the installation process, when the below window appears, it means that the program has been installed successfully.

 

Part 2 Activation (Optional)

After installing the program, you need to activate the program if you want to use the full version features.

1. Find Cisdem PDF Password Remover on the desktop or in the folder where you installed it, double click to run it, and then click the key icon at the right upper corner.

2. Copy-n-paste the license code into the popped-up window, click Activate.

 

Part 3 Application Operating

Open password (user password) is used to protect your PDF files from unauthorized accessing; permission password (owner password) is used to protect your PDF files from unauthorized printing, editing or copying. Sometimes you may want to open or print those files without the annoyed entering password operations when you are in a security environment, then you can use Cisdem PDF Password Remover to remove them easily and quickly.

Tips:
Cisdem PDF Password Remover can easily identify the PDF password type.
· Non-protected PDF can’t be added to the application.
· Open-password-protected PDF will be automatically marked with a lock icon once you add them to the application.
· Permission-password-protected PDF can be added to the application, but without a lock icon.

 

Part 3.1 How to remove permission password from PDF files?

When your PDF files are encrypted with a permission password only (without an open password), the process of removing password is as follows.

Step 1 Add PDF files

You can either drag and drop the target files into the blank area of the main interface or click  to select the target PDF files to add into the program.

If you mistakenly added the wrong files, you can select the target files and click  to delete them, or directly click  to clear all the imported files.

 

Step 2 Select a location to save the decrypted PDF file and then click , when the progress bar shows 100%, it means the decryption completes, you can then click  to directly get into the save location of the decrypted PDF file.

 

Part 3.2 How to remove open password from PDF files with a password?

When your PDF files are encrypted with an open password only or both an open password and a permission password, and you have the open password, the process of removing password is as follows.

Step 1 Add PDF files

You can either drag and drop the target files into the blank area of the main interface or click  to select the target PDF files to add into the program.

If you mistakenly added the wrong files, you can select the target files and click  to delete them, or directly click  to clear all the imported files.

Step 2 Click on  to enter your open password (user password) and then click OK

Note: If the passwords of those imported PDF files are the same, and you want to unlock them at a time, you can tick “Apply to All” after entering the password, and then click OK.

Step 3 Select a location to save the decrypted PDF file and then click , when the progress bar shows 100%, it means the decryption completes, you can then click  to directly get into the save location of the decrypted PDF file.

Note: If your PDF files were encrypted with both an open password and a permission password, then those two passwords will be both removed after clicking Remove.

 

Part 3.3 How to remove open password and permission password from PDF files without a password?

When your PDF files are encrypted with an open password only or both an open password and a permission password, but you don't have the open password, the process of removing password is as follows.

Step 1 Add PDF files

You can either drag and drop the target files into the blank area of the main interface or click  to select the target PDF files to add into the program.

If you mistakenly added the wrong files, you can select the target files and click  to delete them, or directly click  to clear all the imported files.

Step 2 Click on , next click 

Step 3 According to your memory of the password, enter and tick the related conditions on the drop-down window, click 

Note: Cisdem will try every combination of numbers and letters to find out the correct password, which may take some time, you can just leave it running until the process is finished.

Step 4 Select a location to save the decrypted PDF file and then click , when the progress bar shows 100%, it means the decryption completes, you can then click  to directly get into the save location of the decrypted PDF file.

Note: If your PDF files were encrypted with both an open password and a permission password, then those two passwords will be both removed after clicking Remove.

 

Part 4 Update Application

We always suggest users to use the latest version of the program.

When you launch Cisdem PDF Password Remover, Cisdem will auto check for updates.

Also, you can click  -> Version checking on the right corner of the main interface to manually update it.