Encrypting PDF files with owner and user password is an ideal way to protect your authority and copyright. A user password can help you to control the permission of opening a PDF, while the Owner password can protect your PDF files from reuse. Obviously, Adobe Acrobat Pro is too expensive to personal use, so Vibosoft comes here to take your thought into considerations and release this PDF Locker to help you protect your PDF files completely.
Strongly Lock PDF Files with Own Password and User Password.
Three kinds of encrypt algorithm: 128 bits AES, 128 bit RC4, 40 bit RC4.
Set a variety of privileges to permit printing, copying, editing or modifying.
High Stability: Load hundreds of PDF files at a time and doesn't crash
Set User Password to Protect PDF from Opening.
A User Password for PDF just like a key for a door. It can greatly show the right to use. Without the correct password, no one can open and read the PDF contents. And this kind of password can't be crack by any password remover tools. So if you want to improve your PDF security level, don't forget to set a user password to it.
Add Owner Password to Avoid PDF is Editing by Others.
Owner Password is needed when you don't want to other people reuse any contents of the PDF document. No matter readers want to print, copy or edit the PDF document, he/she must enter the proper password.
In most situations, we are not willing to declare the PDF document publicly except the specific persons. Or when you send a confidential PDF document to others, to ensure the privacy is very important. Under these situations, lock your PDF documents with User and Owner password could be the most distinctive way to protect your PDF from opening, editing, copying and printing.
This software is for PDF users who need to protect their PDF file with password; users who need to protect your PDF from opening, editing, copying and printing.