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Most Powerful PDF Password Recovery Tool

iSumsoft PDF Password Refixer is one of the most powerful PDF password recovery tools that can quickly recover forgotten or lost PDF password including Document open password and Permissions password.

  • Recover PDF Document Open Password (also known as User Password) that requires a user to type a password to open the PDF.
  • Recover PDF Permissions Password (also known as Master Password) that requires a password to change permission settings.
  • Support PDF created by all versions of Adobe Acrobat including Acrobat 6.0/7.0/X and later.
  • Four password recovery types make a 100% success of password recovery.

System Requirements

Windows 10/8/7/Vista/XP/2000/2003/2008/2012/2016 (32 bit & 64 bit)

Supported file types

.pdf files

4 password recovery types

  • Normal: By default, this mode tries every possible combination of capital letter, lower case letter, and digit to search for your password. The speed of search can reach tens of thousands of times per second. Specifying the password range and length manually will greatly shorten the password recovery time.
  • Mask: If you have a clearer memory about your password, Mask will be your better choice. A right mask can help recover your password within minutes or even seconds.
  • Dictionary: Quickly find your password from its default dictionary or your own created dictionary which includes the most commonly used passwords.
  • Smart: Try every possible combination of all kinds of characters to smartly find your password.

Auto-Save unfinished recovery process

  • iSumsoft PDF Password Refixer can automatically save the unfinished password recovery process when it quits, and resume the process when it starts next time. That’s very effective.
Easy to Use

With terse and friendly interface, PDF Password Refixer is very easy to use for all users.

100% Recovery Rate

Powerful password attack types ensure 100% password recovery rate.

100% Secure

Non-shell window and ensure no any data loss or damage.

Program Priority

PDF Password Refixer recovers password faster on computer with more CPU power allocated.

4 steps to recover PDF password

Step 1: Install and run PDF Password Refixer on the computer.
Step 2: Add the password-protected PDF file into this software, by the Open File button.
Step 3: Choose one attack type and make related settings.
Step 4: Click Start to start discovering PDF password.

Watch Video

Listen to the user's statement


Absolutely brilliant tip using the refixer software. Also it's a bit frightening how fast (in about 3 minutes) it found pdf passwords! Thanks very much!


Thanks for designing this software! I was crazy without my PDF password. You saved me. Much appreciated!

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