How to Unlock PDF Password on Mac? 4 Best Solutions

Millions of users lock their PDF files by adding a password to prevent data stealing. Thus, an unauthorized user will not be able to access the information stored on the PDF file.

There is no issue in cracking the PDF file when you know the password. But what if you forget the password, things can get a bit daunting when you are trying to unlock PDF password on Mac. Follow the below-explained Solutions to unlock the PDF file and access its data on a Mac. Let's check those solutions.

Solution 1. Quickly Unlock PDF Password on Mac Online

Online2PDF.com is a well-known online program for PDF file conversion. But it has another hidden feature. This online program has the potential to unlock PDF files for the user to copy, edit, or print PDF files. It will take a few minutes to complete all the steps, and then you will get a password-free PDF file on Mac. It allows users to upload up to 20 files, but the file size cannot exceed 150MB.

Follow the below-explained steps to use this program for your needs:

Step 1. Go to Online2pdf.com and open the Remove PDF Protection function. And click the "Select Files" option in a grey perforated box to upload the locked PDF file. You can also drag and drop it.

Step 2. Since the PDF file is password protected, this online tool will ask you to enter the password. Now, provide the password and then proceed ahead.

Unlock PDF password online

 

Step 3. The moment you enter the password, click the "Convert" option shown at the bottom and then download it.

 

Solution 2. Unlock PDF Password on Mac By Removing Known Password

Preview is a PDF viewer program designed for the Mac. It allows you to view PDF documents and print them. Mac automatically uses the Preview tool to open a locked PDF file for you, then you have the right to remove the PDF password from Mac. But this process can only work for you if you have the correct password.

Now, follow the below-given steps to unlock and remove PDF passwords on Mac:

Step 1. Right-click on your secured PDF file and then select the "Open With" option and then select "Preview".

Unlock PDF password using Preview

 

Step 2. The locked PDF file will prompt a dialogue box, where you have to enter the file password and press the "Enter" key.

Step 3. Go to the File menu and then click on the "Export" option.

Step 4. Now, you can rename the PDF file and uncheck the "Encrypt" option.

Step 5. Click the "Save" option given at the bottom and the job is done. You have successfully unprotected the PDF file on Mac. It will be open directly whenever you double-click on the PDF file.

 

Solution 3. Unlock unknown PDF Password with iSeepassword on Mac

iSeePassword Dr.PDF has become the favorite program for cracking PDF passwords in people's lives. Being professional PDF password recovery software, Dr.PDF also supports unlocking the secured PDF on Windows PC. It can not only recover the open password for PDF files, but also cancel all restrictions on the editing, printing, and copying of PDF file data by users, no matter how complicated the password is, it's not a problem, because this program got three types of attacks to remove or recover PDF passwords - The Brute Force Attack is effective when you do not have any information about the password. Brute-force with Mask Attack works when you can recall some part of the password. The Dictionary Attack to test all your potential passwords.

In addition, it will be a straightforward process to break the PDF file without any technical requirements. With it, you are allowed to perform many tasks on your Mac. Follow the below-given method to unlock PDF password on Mac using iSeePassword Dr.PDF.

 

Step 1. Visit iSeePassword.com and search for the Mac version of iSeePassword Dr.PDF on the products page, then install it.

Step 2. Launch this program and select the "Recover Open Password from PDF" option. Then add the password protected PDF file from your Mac.

Recover Password from PDF

 

Step 3. Choose one from Dictionary Attack, Brute-Force with Mask Attack, and Brute-Force Attack to work for you. In my opinion, Brute-Force with Mask Attack is the best choice among them, and then click "Settings" to complete some configuration information as shown in the figure below.

Click Settings

 

Step 4. After the above steps are completed, click on the "Start" button to begin the password recovery process. The password will pop up on your screen the moment this program finds it.

Recover password from PDF

 

Solution 4. Free Unlock PDF Password on Mac

Anyone who knows technology knows that Hashcat is a reliable PDF password cracker program. Being an open-source program can use GPU and CPU acceleration to decrypt the password faster. And it includes multiple attack modes to help users recover or unlock different types of passwords. The most common are Brute-force attacks, Dictionary attacks, Mask attacks, and Hybrid attacks. Because of this, it allows anyone to decrypt and unprotect PDFs. However, you should avoid this method if you cannot use command lines properly to unlock the PDF file on Mac.

Step 1. Go to pdf2john.py and then click the RAW button to go to the next page. Now, press Ctrl + s keys together to store .py on Mac.

Step 2. Go to the home screen and then create a new folder. Now, copy and paste pdf2john.py and your secured PDF file in that new folder.

Step 3. Now, go to the Terminal app on your Mac and then use the "cd" command to access the newly created folder. Now, extract the hash file from the PDF by entering the following command:

python pdf2john.py test.pdf > test.hash

Unlock PDF password with Hashcat

 

Step 4. Download Hashcat binaries and then extract the data from the downloaded files. There you will find a complete list of executable files. Since you are using mac OS, you should use hashcat-cli64.app.

Step 5. Select and copy test. hash file to the Hashcat folder on your PC. Now, give the command in the Terminal to begin the password cracking process. Try the below-given code to execute this operation:

/hashcat-cli64.app test.hash

Step 6. The output will be something like shown in the image once the password recovery process is finished.

Unlock PDF password with Hashcat

 

Note: The Hashcat tool can crack complex passwords, but it can take a long time. You may need to wait several hours or days to get the job done.

 

Final Thoughts

You have read about the most popular solutions on how to unlock PDF password on Mac. Each solution is different and each solution is effective. However, avoid complex and time-consuming methods if you can't execute each step carefully. Try iSeePassword Dr.PDF because it is a reliable program to break password protected PDF files. And use a program that guarantees the desired result within the shortest possible time.

 

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