PDF Password Unlocker for Windows

Name: PDF Password Unlocker
Rating: 1.6 (7 reviews)
Author: PasswordUnlocker

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Editors’ Review

Download.com staffFebruary 26, 2026

This app recovers forgotten PDF open passwords using advanced technology. It supports multiple attack types and offers fast recovery through GPU and CPU acceleration.

Pros
- Fast PDF password recovery with GPU and CPU acceleration
- Supports brute-force, mask, and dictionary attacks
- Scans PC for protected PDF files
- Auto-save feature resumes interrupted recovery
- Simple graphical user interface
Cons
- Does not support Adobe Acrobat X
- Only recovers 'open' passwords

PDF Password Unlocker for Windows

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Used PDF Password Unlocker for Windows?

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Full Specifications

GENERAL

Release: September 27, 2012

Latest update: February 26, 2026

Version: 5.0

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows 10
Windows XP
Windows 2000
Windows NT
Windows Vista

Additional Requirements: None

POPULARITY

Total Downloads: 33,712

Downloads Last Week: 3

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Program available in other languages

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Last Updated

User Reviews

1.6/5

7 User Votes

Don't waste your time!
aesolerMarch 14, 2012
Pros
No visible one...
Cons
Trial version only works with less than three letter passwords!!! Who use a three characters password? Totally useless... And an old trick to push you into their bag (their shopping cart, actually). There is a lot of ways of limiting the use of your application, but yet showing you how it works. Preposterous!!!
Summary
Don' t deserve a minute of your life.
full version does not work
jacthemanusSeptember 30, 2011
Pros
nothing good about this software
Cons
Trial version has a pwd length limitation. This is a trick to force u to buy the software. Bought it and it does not work. Running for almost a wk now still no pwd recovery. No refund. No help from cust support. This is a scam. DO NOT BUY IT
Summary
This is a scam
Contains Trojan.gen, do not download!!!
RDX711May 20, 2011
Pros
Contains Trojan.gen, do not download!!!
Cons
Contains Trojan.gen, do not download!!!
Summary
Trojan Detected
abramteehNovember 8, 2010
Pros
Very bad soaftware
Cons
Very bad soaftware
Summary
If CNET Screened softwarebefore they are made public then...
Wouldn't Install. Norton Flags as Having a Trojan
whatever12387wSeptember 19, 2010
Pros
There ar no pros. Norton flagged as have a trojan
Cons
Scan type: Auto-Protect Scan Event: Security Risk Found! Risk: Trojan.Gen File: C:\Program Files\PDF Password Unlocker\is-31PO9.tmp Location: Quarantine Action taken: Quarantine succeeded : Access denied
Summary
So Cnet Does screen programs for virus. Lesson Learned
it worked great for me .
alexisxyAugust 26, 2009
Pros
easy to use. and cheap.
Cons
if long password,take much time.
Summary
it is great.
It is not free and does not work
mgboutrosAugust 15, 2009
Pros
nothing good.
Cons
It failed to discover passwords It is not freeware, and will not decrypt passwords longer than 3 characters.
Summary
It failed to discover passwords using any of its methods, then reported that it was sure that the password was more than 3 characters long, and then demanded purchase before decrypting. It is not freeware, and will not decrypt passwords longer than 3 characters. In addition, be careful not to download this software from hotshare.com as their version contains a keystroke logger (spyware!!)

Developer’s Description

By PasswordUnlocker

Retrieve PDF passwords faster with GPU acceleration and multi-core CPU.

Forgot the password to open your PDF file? PDF Password Unlocker is the best solution! With this PDF password recovery app, you can recover open password from encrypted PDF files (*.pdf) created with all versions of Adobe Acrobat (exclude Adobe Acrobat X) and other PDF applications. It allows you to enjoy faster password recovery speed over other similar products by using GPU acceleration, Multi-core CPUs, advanced SSE technology and search algorithm.PDF Password Unlocker supports Brute-force attack, Brute-attack with Mask attack and Dictionary attack. Its search features enables you to scan your PC for password-protected PDF files and the auto-save feature allows you to resume recovery after interruption and stop. This program comes in simple GUI interface and you can perform PDF password recovery within a few clicks.

Key features:Recover PDF password easily and quickly.Support Adobe Acrobat or other PDF applications.Recover PDF password fast using advanced SSE and search algorithm.GPUs and multi-core CPUs are supported to speed up the password recovery process.3 efficient password attacks: Brute-force, Brute-force with Mask and Dictionary attacks.Auto-save password recovery state sothat you can resume it after interruption or stop.Search for password-protected PDF files.Support self-created dictionary in various languages for dictionary attack.Shut down PC after Excel password recovery.Simple and user-friendly interface Easy, fast and quick to use for everyone.

PDF Password Unlocker for Windows

Editors’ Review

Pros

Cons

PDF Password Unlocker for Windows

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User Reviews

Don't waste your time!

full version does not work

Contains Trojan.gen, do not download!!!

Trojan Detected

Wouldn't Install. Norton Flags as Having a Trojan

it worked great for me .

It is not free and does not work

Developer’s Description