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Forgot or Lost PDF Password - How to Recover it?

Cynthia Huff
Cynthia Huff

Updated:

Unluckily, as a result of bad memory or some other unpredictable reasons, which lead to forget or lose PDF password, so that I didn't open the documents were password protected. What should I do? Do you have any idea to recover a pdf password or crack a pdf password? Just take it easy, there is a way you can boldly use iSumsoft PDF Password Refixer that can instantly recover forgotten or lost PDF Password to open PDF document step by step.

Steps to recover forgotten or lost PDF password to open password protected PDF document

If you have forgotten or lost PDF password, you can choose iSumsoft PDF Password Refixer. It is commonly-used password recovery tool, which can help you recover PDF password effectively in the short time.

Step 1: Download and install iSumsoft PDF Password Refixer on your computer.

download software

Step 2: Add PDF document that you forgot Password.

After launching the software, click the Open or File / Open File to open password protected PDF file and add it into this tool.

click open button

Step 3: Select one password attack type.

select password attack type

Tips: For your convenience, there are 3 powerful password attack types and related setup options are provided for you to choose as follow:

1. Brute-force: Range and Length

2. Mask: Range, Length, and Mask

3. Dictionary: Default dictionary or Created dictionary

Related link: Dictionary and Mask Attack Password Settings

Step 4: Click Start button. Then it will immediately start discovering the password.

When iSumsoft PDF Password Refixer finds the password, a screen will pop up with the password showed there. Then copy and paste the password to open your password protected PDF document.

recover pdf password

Conclusion: As long as you choose iSumsoft PDF Password Refixer, which is so easy and convenient for you to recover forgotten or lost PDF password so that you can open your password protected PDF document.