Can I password protect a PDF for free?

Can I password protect a PDF for free?

Adobe Acrobat can add a password to a PDF, too. If you don't have it installed or would rather not pay for it just to password protect a PDF, feel free to grab the free 7-day trial. Go to File > Open to locate the PDF that should be password protected with Adobe Acrobat; select Open to load it.

Why can’t I password protect a PDF?

If the document you want to password protect is already a PDF, then you can use Adobe Acrobat to add a password. … If the user you are sending your PDF to doesn't have a compatible version of Adobe, they won't be able to decrypt it and open it. Check the Require a password to open document then enter your password.

How do I make a PDF read only?

To create a read-only version of a PDF, open the file using Adobe Acrobat. Open Document Security dialog box by clicking File -> Properties and choose Security tab in Document Properties pop-up window. By default, PDF has no security settings, and Security Method shows No Security.

How do you password protect a document?

When the File menu is open, click the “Info” tab and then “Protect Document.” Once you see the Protect Document menu, click “Encrypt with Password” and enter a password of your choosing. Then, click “OK” and the document will be password-protected.