How To Secure Pdf

	Encrypt PDF software is a very flexible and powerful program, Encrypt PDF software allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 7.0 and up) existing PDFs, set permissions, add user and owner password. For example you can encrypt a PDF without to allow to print it. The button to print the file will be disabled in Acrobat Reader application, you also can encrypt a PDF allowing the user to read it only if he know the correct password.     Note, The source PDF must be an unencrypted PDF. Acrobat Reader will show a key in the bottom status bar if the PDF is encrypted. There two passwords you can apply to a PDF. The first is the owner password. Opening a PDF with this password will allow you full access to the PDF when a user password has been assigned as well. This means that even if printing was disabled you will still be able to print the PDF when using this password. No password will be prompted for when opening the PDF if you secure it with only an owner password. The second is the user password. Opening a PDF with this password will restrict you based on how the PDF was password protected (printing may be disabled, for instance).
Encrypt PDF (User interface) Features
	Easy to use Do NOT need Adobe Acrobat software Support Windows 98, ME, NT, 2000, XP, 2003, Vista systems It's simple to use it like a batch application to set permissions to every PDF in your archive Password protect opening of the document Prevent printing of the document Prevent copying of text/graphics Prevent changes to the document Password protection for PDF files with 40 or 128 bit encryption  Support user password and owner password Support add printing, copying and changing  permissions to an encrypted PDF file Set the document title, subject, author, keywords to a PDF file Lock your PDF files instantly. Stop sharing, copying and piracy Support drag and drop Support Acrobat 9.0 PDF file .8 format) Encrypt PDF Command Line features The Encrypt PDF Command Line program provides a regular console interface to Encrypt PDF functionality. It includes all of thefeatures in Encrypt PDF plus: It's simple to use it like a DOS Command Line application It's simple to use it inside your CGI/ASP/PHP/etc. (Server Side) Support wildcards (*.pdf) Limitations in the trial version 1. Popup a message box. 2. The trial version is can only process the first half pages from your original PDF file. 3. Remove Outlines, Metadata, AcroForm information from some special PDF documents.

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