Put a password on PDF using user-friendly tools. Create, edit, sign and share documents with pdfFiller, a cloud-based platform that millions of users trust. One-click option to protect a PDF with a password Choose File > Protect Using Password. Alternatively, you can choose Tools > Protect > Protect Using Password. Method 1. Print & Edit PDF ?Hack? (If Printing is Allowed) · Open the PDF that you want to edit. · Press Print or [ctrl] + [p] on your keyboard. Open the secured PDF file in Foxit Phantom PDF Editor. · Click on the Protect tab and select Encrypt. · Select password protect to open the pop-up ... Read this article, you'll learn how to protect PDF from editing using ... PDF file, click on the "Protect" tab and select "Set Password" from the top menu. In the Preview app on your Mac, open a PDF. · Choose File > Edit Permissions, then do any of the following: Set a password for opening the PDF: Select Require ... To add passwords that restrict user permissions such as printing, editing, copying, etc., select Add Document Restriction and set the password. To protect a PDF document with a password, open the PDF document you want to protect, then click the File > Properties menu. This will bring up the Document ... How do I add a password to a PDF? · Upload your PDF file. · Enter and repeat an open password. · Choose what users of your PDF are allowed to do. · Enter and repeat ... To add an open password to the document, choose the "Document Open" option in the popup that appears. Type in the password you want to use to protect the PDF.