The standard security provided by PDF is of two different methods and two different passwords. A PDF document can be protected by password for opening, this password is known as "User" Password and the document can be protected using "Owner" Password to specify operations that should be restricted for printing; copying text and graphics out of the document; modifying the document; and adding or modifying text notes.
To unlock PDF restriction with PDF Unlocker tool you should know its password for opening the document if it is protected with "User" Password. Software unlock PDF restrictions from the PDF document if it is not protected with "User" Password, is only restricted for copying text, modifying the document, printing & extracting text notes with Owner Password.
Features
* Remove PDF Restriction - PDF Unlocker is a PDF Restriction Removal tool that can remove PDF restrictions for copying, editing, printing & extracting.
* Remove Restriction from Protected PDF File - Remove protected Adobe Acrobat PDF files, removing restrictions on printing, editing, copying (you should have the right to do it or you should know the User Password.).
* Support all version of Adobe Acrobat - SysTools PDF Unlocker successfully Acrobat version up to 9, even with 128-bit or 256-bit encryption.
* Software runs on all Windows version - SysTools PDF Unlocker software successfully supports & runs on Windows 98/ME/2000/2003/XP/Vista.
PDF Unlocker tool can remove restrictions from PDF documents, But PDF Unlocker cannot do following:
1. Cannot Remove or find the user/open password automatically.
2. Cannot Remove other protections, such as DRM or third part plug-in.
PDF Unlocker exceeded all other software of its kind and succeeded many PDF Restriction remover tool and PDF Unlocker software & tools easily & efficiently. Removing PDF Restrictions from PDF files with PDF Unlocker software is effective and easy as it gives you 100% result.
With SysTools PDF Restrictions Remover, you can remove the PDF restrictions in a few seconds as it provides instant solution. SysTools PDF Unlocker program supports 40-bits/128-bits RC4 and 128-bits AES encryption and successfully runs on Windows 98/ME/2000/2003/XP/Vista. Know how to remove restriction of PDF file.
Try PDF Unlocker and remove restrictions added to PDF files. Download the Demo version of PDF Unlocker to evaluate the efficiency of the software to unlock PDF restrictions.
See more detail here http://www.pdf-unlocker.com/
