You can Add PDF Protection by Restrict PDF software, Software allows you can Add two kind of protection on PDF, you can add owner password to protect PDF files from being copying, editing, modifying, printing, etc and you can add open password security to your PDF files with open password user to protect PDF files from open. Software is easily to use and one click application so within few clicks of mouse you can Add PDF Protection without wasting time. We have demo version of software which can add protection upto 25 KB PDF file size and for protect more than 25 KB PDF file size purchase full license of software a $25.

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