Change User Password
- Usage
  - Flags
  - Arguments
- Examples

Change User Password

This command changes the password which is also known as the open doc password. Have a look at some examples.

Usage

usage: pdfcpu changeupw [-v(erbose)|vv] [-opw ownerpw] inFile upwOld upwNew

Flags

name	description	required
verbose	turn on logging	no
vv	verbose logging	no
opw	owner password	if set

Arguments

name	description	required
inFile	PDF input file	yes
upwOld	current user password	yes
upwNew	new user password	yes

Examples

You can set the user password either when you encrypt a file or later with changeupw.

Change the user password of a document that already has one:

pdfcpu encrypt -upw upw enc.pdf
writing enc.pdf ...
pdfcpu changeupw enc.pdf upw upwNew
writing enc.pdf ...

Set the user password of a document that has none. Any encrypted PDF file has either one of the two passwords set. Whenever you change the user password of a document that has a owner password set, you have to provide the current owner password:

pdfcpu encrypt -opw opw enc.pdf
writing enc.pdf ...
pdfcpu changeupw enc.pdf "" upwNew
Please provide the owner password with -opw
pdfcpu changeupw -opw opw enc.pdf "" upwNew
writing enc.pdf ...