LockPickPDF

LockPickPDF is a graphical user interface (GUI) application built using PyQt6 that attempts to decrypt password-protected PDF files using a list of potential passwords.

Features

• Select a single PDF file or a folder containing multiple PDFs for batch processing.
• Decrypt PDF files using a list of passwords provided in a passwords.txt file.
• Displays progress of the decryption process.
• Uses qpdf for PDF decryption.

Requirements

• PyQt6 for building the GUI.
• qpdf for handling PDF decryption.

Installation

1. Clone the repository:

   git clone https://github.com/jumbubly/LockPickPDF.git
   cd LockPickPDF

2. Install Python dependencies:

   pip install -r requirements.txt
   for updated or latest libraries > pip install <libraryname>

3. Install qpdf:

   • Linux (Debian/Ubuntu):

     sudo apt-get install qpdf

   • macOS (using Homebrew):

     brew install qpdf

   • Windows: Download and install qpdf from the qpdf GitHub Releases.

Usage

1. Prepare passwords.txt:

   • Create a passwords.txt file in the same directory as the script.
   • Add potential passwords, each on a new line.

   Example passwords.txt: 123 password1 password2 password3

2. Run the application:

python lockpickpdf.py

Using the Application:

• Click on "Select File" to choose a single PDF file, or "Select Folder" to process multiple PDFs in a folder.
• Choose the Save Location where the decrypted PDFs will be saved.
• Click "Process PDFs" to start the decryption process.

Progress and Logs:

• The progress bar will show the decryption progress.
• Logs will be displayed in the text area for each file processed.

Screenshots

Contributing

Feel free to submit issues or pull requests if you would like to contribute to this project.

License

This project is protected by copyright, and all rights are reserved. Unauthorized use, reproduction, or distribution of this code or any associated materials is prohibited.

Disclaimer

This tool is intended for educational purposes only. Decrypting PDF files without permission is illegal. Use this tool responsibly.