What is PassFab for PDF 8.3.5.1?
PassFab for PDF 8.3.5.1 is a powerful and easy-to-use tool designed to remove password protection from PDF documents. Whether you’ve lost the password or need to access a restricted PDF file, this software offers a fast and reliable solution to unlock any PDF file without losing data or formatting.
This tool is especially useful for office users, students, and legal professionals who regularly handle password-protected PDFs. With advanced decryption technology, PassFab ensures you can regain access to your files without technical complications and buy.
Features of PassFab for PDF
🔐 Remove PDF Open Password
If you’ve forgotten the password to open a PDF, PassFab for PDF can help you recover or remove it using smart brute-force and dictionary attacks.
🚫 Remove PDF Editing Restrictions
Many PDF files are locked for editing, copying, or printing. This software easily removes all such restrictions, giving you full control over your documents.
⚡ High Speed & Success Rate
The latest version (8.3.5.1) uses GPU acceleration and smart algorithms to unlock documents in minutes with a high success rate.
💡 Multiple Attack Modes
The tool supports three main attack types:
Dictionary Attack: Uses a built-in or custom word list to guess the password.
Brute-force with Mask Attack: Useful if you remember part of the password.
Brute-force Attack: Tries all combinations for unknown passwords.
System Requirements
Before installing, make sure your system meets the following requirements:
OS: Windows 11 / 10 / 8 / 7 / Vista / XP (32-bit & 64-bit)
CPU: 1 GHz (32-bit or 64-bit)
RAM: Minimum 512 MB
Disk Space: 50 MB of free space
How to Use PassFab for PDF
Step 1: Install the Software
Download and install PassFab for PDF on your Windows PC.
Step 2: Upload the Locked PDF
Launch the program and select the PDF file you want to unlock.
Step 3: Choose Attack Mode
Select one of the attack types depending on how much you remember about the password.
Step 4: Start Unlocking
Click “Start” and let the program work. After completion, your PDF will be unlocked and ready to use.
Pros and Cons
✅ Pros:
Easy to use with clean interface
Supports multiple password recovery methods
Fast unlocking with GPU acceleration
Supports all versions of PDF files
❌ Cons:
Only works with PDF files
Trial version has limitations (e.g., password length)
Final Verdict
PassFab for PDF 8.3.5.1 is a reliable choice for unlocking password-protected PDF files without data loss. Whether it’s a forgotten password or editing restriction, this tool provides a simple and effective solution. Its ease of use, fast performance, and high success rate make it one of the best PDF unlockers available in 2025.
✔ Tested: This software was tested on Windows 10 & Windows 11 and works smoothly without issues.
Frequently Asked Questions
- Is this software free?
Yes, it can be downloaded and used for free. - Does it support Windows 11?
Yes, it works perfectly on Windows 10 and 11. - Is it safe to use?
Yes, the software was scanned and tested before publishing.
Last updated: January 2026