PDF Encrypter 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), 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. It has easy-to-use interface.
Requirements:
x86-based personal computer no less than 32 MB application RAM 30 MB hard disk space
Limitations:
30-use trial
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