Set permission of denying anything for a pdf file using command line

A pdf owner password is the password used to set document restrictions in pdf files. As of the latest PDF version, document restrictions include printing, changing the document, document assembly, content copying, content copying for accessibility, page extraction, commenting, filling of form fields, signing, and creation of template pages. In Adobe Acrobat, the pdf owner password is called the change permissions password.  Therefore, setting an owner password allows you to protect your copyrights, more importantly, if you set permission of denying anything, the copyrights of your pdf file is completely protected. And how to set permission of denying anything, Advanced PDF Tools Command Line will help you

First step—Downloading

Follow this link you will obtain Advanced PDF Tools

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

The whole package is just of 3.04 MB, making the download swiftly, do remember to extract it, for it is a zipped package.

Second step—Launching

You are bound to launch 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

choose run

2) input cmd into the following

run dialog

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

command prompt

Third step—Inputting

input command line to set permission of denying anything for a pdf file

it goes below

pdftools.exe -i C:\*.pdf -o D:\*.pdf -S ownerpwd=love -S keylen=2 -S permission=0

where

  • -i is to specify a pdf filename or a directory for input,
  • -o is to specify the pdf file name for output,
  • -S ownerpwd=love to encrypt owner password as love,
  • -S keylen=2 refers to 128 bit AES encryption (Acrobat 7 or higher),
  • -S permission=0 to set permission of denying anything.

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

detailed operation in command line

Fourth step—Checking

open the file to check the result, screenshot again

result pic

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