Do you want to unsecure a Locked PDF file without password? Well, one of the easiest methods is to use a computer program called Passper for PDF. This tool ensures the quick and easy access of the locked PDF files. You can recover a PDF fileâs open password as well as remove the permission password if you want. It offers four methods to unsecure PD Ffiles with open document password.
One of them is for all Windows operating systems including XP and Windows 7. As a matter of fact, Windows 8 user can use this tool as well. Let's install Passer for PDF in Windows 8.1 and XP/Windows 7: For Windows 8 Open the Settings, click on 'Add or Remove Programs' Check the box to 'Allow changes from untrusted sources' Click 'OK' to continue the installation process. Now, let us continue with Passer for PDF and enable the password management option. Now, click the 'Open' button, and the opened PDF file will be available for viewing and editing. You can see the password in the password box. You can easily clear, change or delete the password or remove the password using the drop-down menus on the right-most column. Now, open the PDF file by double-clicking on it in Explorer. You can close the Passer for PDF window by clicking on 'Close'. For Windows XP and Windows 7 Run.