./john --wordlist=rockyou.txt hash.txt
GitHub: firstlookmedia/pdf-redact-tools
Top feature: Focus on security – flattens and removes hidden data + passwords.
Deep features:
GitHub: Kozea/WeasyPrint
Top feature: Render PDF to new PDF without password protection. pdf password remove github top
Deep features:
If you double-click the PDF and it asks for a password just to see the first page, you need pdfcrack or John.
Strategy: Do not brute force randomly. Use logic. GitHub: Kozea/WeasyPrint Top feature: Render PDF to new
# Assuming you know the password might be "Company2020" or "Company2021"
# Create a custom wordlist
echo "Company" > custom.txt
echo "Finance" >> custom.txt
A concise guide to popular open-source projects and approaches on GitHub for removing or bypassing PDF passwords (owner/user), legal/ethical notes, and practical usage examples.
While open-source software offers transparency, there are risks involved in downloading random repositories for password removal:
GitHub Stars: ~6k+ | Language: C++ | License: Apache 2.0 custom.txt
echo "Finance" >
If you only install one tool, make it qpdf. Created by Acrobat expert Jay Berkenbilt, QPDF is the industry standard for PDF structural manipulation. It does not "crack" the file; it strips the encryption layer off owner-password-protected PDFs instantly.
Why it is "Top" rated:
How to remove an owner password:
# Installation (Mac)
brew install qpdf
Repo: pikepdf/pikepdf
Language: Python (C++ bindings)
Use Case: Python developers or automation scripts.
pikepdf is a Python wrapper around qpdf. It is widely considered the most reliable Python library for manipulating PDFs because it avoids the quirks of pure-Python implementations by using the powerful C++ qpdf core.
- Why it’s interesting: It allows you to open a password-protected PDF and save it without a password in just a few lines of code. It also handles permissions (owner passwords) very gracefully.
- Code Snippet:
import pikepdf
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