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VeryPDF PDF Encrypter for Mac does encrypt PDF files on Mac OS X system. VeryPDF PDF Encrypter for Mac is developed specially for encrypting PDF for Mac computer users. Users can choose a proper encryption security level, 40-bit or 128-bit, to protect their PDF files. It supports user password to control the permission of opening and owner password to control modifying and copying permissions. VeryPDF PDF Encrypter for Mac can be used to protect your PDF files with 128-bit strength user and owner passwords, set all permissions(such as coping, editing, printing, selecting text and graphics, fill in etc), and prevent PDF files from being printed, changed, copied, extracted, signed, filled, assembled and/or merged. It is the fast, affordable way to encrypt a lot of pdf files to encrypted pdf files once time for saving your time! Its easy-to-use interface allows you to encrypt PDF files by simply few clicks. And VeryPDF PDF Encrypter for Mac don't need any software such as adobe acrobat. How does it work: 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). Features of VeryPDF PDF Encrypter for Mac: * Batch process. * Support 40 and 128-bit encryption levels. * Support user password and owner password. * Control permission of printing PDF. * Control permission of modifying PDF content. * Control permission of PDF document assembly. * Control permission of copying PDF content. * Control permission of enabling screen reader aider.