Recrypt input.pdf output.pdf --password currentpass
import fitz # PyMuPDF doc = fitz.open("encrypted.pdf") if doc.is_encrypted: # Authenticate using the password authenticated = doc.authenticate("your_password") if authenticated: # Save a clean, unencrypted copy doc.save("decrypted.pdf", encryption=fitz.PDF_ENCRYPT_KEEP) print("Password removed successfully.") else: print("Incorrect password.") Use code with caution. 3. Pdfcpu: A Powerful Go-Based PDF Processor pdfcpu/pdfcpu pdf password remove github top
git clone https://github.com/tbernalz/file-password-remover.git cd file-password-remover pip install -r requirements.txt Recrypt input
john --format=PDF hash.txt john --show hash.txt unencrypted copy doc.save("decrypted.pdf"
Because open-source tools run locally, ensure you are running them on a secure, malware-free computer. How to Get Started with Open-Source PDF Tools