1. Secure PDF with Passwords Set open or user passwords to protect your PDF documents from unwanted opening and viewing. Set owner passwords to protect your PDF documents from unauthorized copying, printing, changing or modification. 2. Encrypt PDF from Unauthorized Use Protect your PDF files from printing by unauthorized users. Protect your PDF files from copying text or graphics. Protect your PDF files from editing or changing contents.
1.Easy to use and provide with fast speed of encryption. 2.Encrypt PDF by adding user/owner password and permissions. 3.Prevent PDF documents from unauthorized opening, copying, printing and editing. 4.Stand-alone and do not need additional software like Adobe Acrobat.
1.Flexible PDF Encrypt Options Drag and drop operation is supported that you can drag all existing PDF files that you want to encrypt together at one time to the program interface directly. You are allowed to set passwords and permissions to all the PDF in batches.
1.Fast and Easy to Operate The user-friendly graphical interface makes the encryption job quite easy for both beginners and advanced users. 2.Thanks to the fast processing speed the program provides, it won't take long to finish the encryption.