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How to Crack PDF Password on Mac without Failure?

The idea of Go Paperless  pervades our modern business, which greatly drives the PDF files grow in popularity and develop in sophistication. To protect PDF files, we often add an extra layer of security. You may send out or get a protected PDF file, equally, you may unfortunately forget or lose the password of the PDF files. It's true sometimes we just have a very genuine reason to crack PDF password to unlock the PDFs for viewing, editing or printing, or find back our forgotten PDF password for further use. 

Before cracking, make sure if it is necessary…

I guess you have noticed that there are 2 kinds of PDF passwords, any idea about how each of these passwords secures your PDF files?

Ok, if you got a Adobe Acrobat in hand, open your PDF in with Adobe Acrobat.

If you are trying to open the file and it works

It means there is no user (open) password restricting your PDF. Try to edit or highlight or copy the text, if is not allowed, the PDF is permission (owner)-password protected. 

You can also directly go to its security properties and check the restrictions on the file:

In this case, you don't have to crack the owner password. Given that you are just trying to enable the owner-password protected PDF to 100% edit, copy, print or any other, you can either ask for the password from PDF owner or go to online PDF unlock tools on Mac to remove the security. Here I highly recommend the PDF Unlock and Smallpdf Unlock PDF.Drag and drop your locked pdf documents into these tools, they will help to remove restrictions/password, and your pdf will be 100% editable, printable….

But, if your PDF files store a massive data about financial or personal information that requires high confidentiality, online PDF unlock which involves possible risk to leak information is not recommended. You can try the Cisdem PDFPasswordRemover , with several clicks, you will crack the protected PDF.

Step 1. Download and Launch.

Download the freetrial of Cisdem PDFPasswordRemover Now!

Step 2. Add PDF Files that You Want to Crack on Mac

Click"Add Files" to import protected PDFs, it supports batch unlock.

how to crack pdf password with cisdem 02

Step 3. Choose the output location, and "Remove" to crack PDF password on mac

how to crack pdf password with cisdem 03

If you are trying to open the file, a pop-up prompting you to enter the password

It means your file is user (open)-password protected.  You need to enter the right password to unlock the PDF. In the case of a forgotten pdf user password, you have no other choice but to crack the protected pdf. Let's move to check how to crack PDF password at such circumstance.

Crack it

Still use Cisdem PDFPasswordRemover for Mac . It is designed to directly remove password or restrictions of PDFs, also to crack PDF password, so that you can get full access to your pdf with passwords. Admittedly, most of Cisdem users use this tool to crack their password-protected PDF files, trying to open protected PDF. It is easy to use, just follow these steps. 

Step 1. Free download Cisdem PDFPasswordRemover and launch it on your Mac.
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Step 2. Add your PDF files to crack PDF password on mac.

There would be a lock icon appearing on the right side with your open-password-protected PDF. Click the lock icon, either enter the user password if you know or directly decrypt the password if you forgot it.

how to crack pdf user password with cisdem

Step 3. Crack PDF password on Mac.

Once your user password is decrypted, click "Remove" and you will an equivalent PDF file without password protection. The PDF file has been cracked for free manipulations.

Crack faster…

On general, there are 3 types of attacks employed to crack the password protected PDFs: brute-force attack, brute-force with mask attack and dictionary attack. Cisdem PDF Password Remover uses the brute-force attack to unlock your protected PDFs.

Brute-force attack - It tries all possible combinations of passwords until the correct one is found. With its highly optimized password recovery engine, the more information about your lost password can be provided, the faster the password will be recovered.

To crack down the unknown owner password is much less challenging than that to crack down the unknown user password, but if you can provide some password information as much/as accurate as possible, it will save lots of time to crack and recover the password.

Tweak the setting as following according to your preference.

tweak the settings to crack pdf password

If you are occupied with some other business and want to pause the decryption process by exiting from the App, DON'T forget to save the progress for next time, it works more efficiently this way.

tweak the settings to crack pdf user password

As my personal experience goes, a good software always comes with a price tag but still prices competitively, just like Cisdem PDF Password Remover priced $34.99, it will be a valuable investment.

2017-05-16 21:22:13 / Posted by to PDF Password Remover Mac Follow @ Rosa

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2 Responses

  • Conley

    I bought a protected PDF course before, but I lost the passwords, thanks for getting me to the solution.

    1 years ago REPLY
  • Swart839

    Useful application to crack PDF password. I like it. I will read your other arctiles.

    1 years ago REPLY

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