Set a user password of pdf using command line

A pdf user password is the password used to restrict the opening of a pdf. In Adobe Acrobat, the PDF user password is called the document open password. So, a user password is an open password.It only restricts the opening of a PDF file. The way to set a user password/open password of pdf using command line is easy and quick. Below is detailed operation on how to set a user password/open password of pdf by Advanced PDF Tools Command Line.

Step 1 click the following link to download Advanced PDF Tools

http://www.verypdf.com/pdfinfoeditor/advanced_pdf_tools_cmd.zip

please unpack it when download is finished.

Step 2 launch the MS-DOS command prompt window. Because the command line is bound to be operated under the MS-DOS environment. The procedure is easy, and the following pictures will guide you.

1) click “start” and then go to “Run”

click-start

2) input cmd into the following

choose-Run

3) press “ok”, you will find MS-DOS command prompt window popping up

 command prompt

Step 3 input command line to set a user password

it goes below

pdftools.exe -i C:\*.pdf -o D:\*.pdf  -S userpwd=xux -S keylen=2

where

  • the option -i is to specify a pdf filename or a directory for input,
  • the option -o is to specify the pdf file name for output,
  • -S userpwd=xux to set a user password as xux
  • -S keylen=2 refers to 128 bit AES encryption (Acrobat 7 or higher)

when the input is done, press “enter” key, you will see

detailed operation in  command prompt

Step 4 open the file to check if opening the file an open password is needed

output pdf file

If you have any questions on setting pdf passwords, please come into live support for help.

VN:F [1.9.20_1166]
Rating: 0.0/10 (0 votes cast)
VN:F [1.9.20_1166]
Rating: 0 (from 0 votes)

Related Posts

This entry was posted in Advanced PDF Tools and tagged , , . Bookmark the permalink.

Leave a Reply

Your email address will not be published. Required fields are marked *


Verify Code   If you cannot see the CheckCode image,please refresh the page again!