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Remove passwords to crack PDF on Mac

This page shows you how to remove PDF passwords in Mac OS X using UndoPDF PDF Password Recovery for Mac.


Download and install


UndoPDF PDF Password Recovery for Mac is free for trial, and you may download and install it free. Install the application, and then you will see it in the Applications folder of your Mac OS X system. Run the application, and you will see the application interface as displayed in the following image.

interface of UndoPDF PDF Password Cracker for Mac

Prepare to remove password


In the interface of UndoPDF PDF Password Cracker for Mac, click button Add File and then select the PDF files that are to be processed. The loaded PDF files will appear in the queue list under the buttons as you can see in the above snapshot. If you have added some PDF files by mistake, you may use buttons Remove and Clear to remove those PDF items in the process queue.


Remove permission password


Permission password is also called owner password or master password. This password is used to restrict printing, editing, commenting and copying permissions. This application can remove the permission password unconditionally.


Remove open password


UndoPDF PDF Password Cracker for Mac can deal with multiple PDF files in one progress. When come to a PDF file encrypted by an open password (also called user password), it will prompt to require inputting the user password as shown in the next screenshot.

input open password

When encountering an open password protected PDF, the application will ask for the password to access the PDF file. Input the password and click OK, and then the application will continue to process the current and the rest of PDF files.


If the PDF file is unprotected by neither a permission password nor an open password, the PDF file is left unchanged. You can see that the third PDF file is not changed as displayed in the first snapshot in this article.


Click the link to see the features of UndoPDF PDF Password Recovery for Mac.

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