Use this form to protect a PDF file with user password, owner password and all kinds of restrictions.
1. Click the "Choose File" button (different web browsers may have different button names such as "browse..."), a browse window will open, select a local Adobe PDF file and click the "Open" button.
2. Enter a user password if you want this PDF needs password to open. Enter an owner password if you want to set restrictions. Choose PDF restrictions from list.
3. Click the "Protect Now!" button to encrypt the PDF file. Wait a few seconds for the task to finish.
4. You can download or view the output PDF file on your web browser after conversion. No email address required to receive files.