For advanced users or batch processing, these options are completely free and safe:
You can find verified, secure tools like the PDF Password Remover - Lock & Unlock PDF which allows for offline management of permissions. 2. Free Web-Based Tools pdf-password-remover-10-4-crack-2023
If you have the official software, open the PDF and go to Tools > Protect > Encrypt > Remove Security . For advanced users or batch processing, these options