• Prevent opening and viewing PDF without entering the correct open password. 
• Prevent printing of the document. 
• Prevent copying and changes to the document. 
• Set PDF information:You can set meta data for the PDF, which can protect your copyright in your work, such as title, subject author and keywords. 
• Re-Encrypt PDF file which already encrypted by owner password.
• Merge multiple files into one PDF:You can merge a large amount of origin files into one PDF file. 
  

   
Platform: Mac OS X 10.8 or above

Working with PDF Encrypt Expert

With the extremely simple and clear interface, you can quickly encrypt your original PDF document. Please follow steps to get it done.

1. Add Files:

Click “Add files” button   to import the original files you want to create, or click File-­‐>Add Files on the menu to get started. You can import unlimited original files at  one  time.  Click  “Delete”   to  remove  one  imported  PDF  file, click “Clear”   to remove all PDF files.

2. Set output options

Click on the gear icon  in the line of the selected file, you can set meta data for the PDF and encrypt PDFs and protect them from being opened, printed etc.

Choose one format and select Apply to all option, the format of current file setting will apply to all the files in the panel.you can select a particular page range to save your time. Click on the blank, type in the page numbers you want to convert, for example:1, 5-9, 12.

3. Create

After setting the output settings, click Convert  button to convert original file to PDF file. The conversion will be finished in seconds. Then you can click on the link in the document list to open the converted word doc or click on the File-­‐>Open Output Folder to open the converted output folder.

Optional Operation:

You can create PDF from one single image or plain text file, or create PDF from a batch of supported files. If you click on the "Merge in one file", all the imported files will be merged into one PDF file, and you also can click setting button to set meta data and encrypt infomation for the merged PDF file.