How to Crack PDF Password If Forget it

PDF is a very popular format and is used by millions to share their documents over the internet. The best part of PDF documents is that they can be easily protected by locking them with a unique password. But the problem arrives when we forget the password, which doesn't let us open these documents for editing or just viewing the content inside it, so you need some software to unsecure a password protected PDF. Next in this article, we will discuss four solutions through which you can easily crack PDF passwords.

Crack PDF Password Using GuaPDF

GuaPDF is a lightweight online tool that can easily break PDF passwords. But if the locked PDF file is version 1.7 or higher and the encryption is 128 bit AES then this tool won't be able to decrypt the password for PDF. Now, follow the steps below to use this tool.

Step 1: Download GuaPDF on your computer and install it. 

Step 2: Open the tool and select the option "File" followed by "Open". Now choose the locked PDF document.

Step 3: Now wait for a few minutes. If your PDF document is locked with a password it will show up on the box like the image below.

Analyzing file

Note: This tool works only if the PDF version is small and only up to version 1.7, as mentioned. So if you are looking to encrypt a large PDF document then this tool has its limitations.


Quickly Crack PDF Password with iSeePassword Dr.PDF

As a professional software for removing PDF passwords, iSeePassword Dr.PDF has three powerful password recovery modes to crack any passwords. What's more worth mentioning, it also supports batch removing so that you can remove multiple locked PDFs without passwords. By the way, because it supports Multi-Core CPU processing which doesn't make your computer slow while using this software. With the help of GPU acceleration, this amazing tool can complete the recovery process 10x faster than any of its competitors. And it can also work on different operating systems or devices, like Windows and Mac OS, in this way, unlocking PDF on Mac is not difficult for you. To use this software follow the steps below.

download download


Step 1: Download and install this software on your computer. After the installation is completed, run the program. A new window will pop up giving you two options. If you want to crack the PDF password then click on the first option.

Recover open password from pdf

Step 2: Now you have to import the locked PDF file. To do that click on "Add File" and choose the suitable attack type based on the forgotten password information that you can recollect.

Select an attack type

Step 3: This software has three attack types which are Dictionary attack, Brute Force with Mask Attack, and Brute Force. You can see the details of these modes just below the selection menu button of each attack type. In case you remember any password information like its length, character range then go to the settings option to do a few prerequisite setups.

Brute force with mask attack

Step 4: Now click on the start button to initiate the searching process. Wait for a few seconds and your forgotten password will be displayed on a pop-up window. If your password is too complex then it might take a few more minutes.

Reset pdf password

Note: This tool is lightning fast and does the job with just a few clicks of your mouse. It can crack PDF password within a matter of a few seconds.

download download


Unlock PDF Password Via Free Online Tool is a free online PDF password cracking service website, which can easily remove PDF password to help users for extracting, printing, editing, and copying PDF files, the restriction of the PDF file will be removed with just a few steps. No need to install software, all PDF password cracking steps are done online.

Step 1: Open the browser on a computer and go to the CrackMyPDF website.

Step 2: Next click the "Choose File" button to get the locked PDF file on, then click the "Open" button.

Choose and unlock pdf file

Step 3: Finally, click the "Unlock" button, the locked PDF file will be cracked immediately within a few minutes. In addition, the unlocked PDF file will be opened in a new browser, you can save it on a computer.

Note: Although CrackMyPDF supports all versions of Adobe Acrobat. But the bad thing is that it can not remove the user password and other protections.


Easily Crack PDF Password Online with FreeMyPDF is another website that can be used to remove PDF passwords online for free. This is the easiest way that I have ever seen to remove a protection password from a PDF online. You need to have a stable internet connection to use this software. Follow the steps below.

Step 1: Go to the Freemypdf website on your computer. 

Choose pdf file and crack password

Step 2: Now click on "Choose File" to import the locked PDF file. Next click on the tab below where it says I agree, do it.

Step 3: Now wait for a few seconds to unlock your locked PDF which will be downloaded on your computer automatically.

Note: Be careful about when it works on your computer, it's a public website and your confidential information is stored on their site, as hackers can easily get all your important and confidential details from this site.


Which One is Best?

Which one of them is the best way to crack PDF passwords? From personal experience, if you want to crack a password for PDF in a secure and foolproof method, iSeePassword Dr.PDF is the best choice, as the user interface is swift, it has a powerful password cracking algorithm which can crack any password be it the owner's password or the user password, and it never tampers the original data of your PDF file, which is a great advantage. But this may be a hidden danger if you use any free or online PDF-removing tools. iSeePassword Dr.PDF takes the win on this one.

Posted by Alex Ben
April 28, 2021

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