One of the best and easiest ways to protect a PDF is to use UPDF to set a password for the PDF. How to Protect PDF with UPDF - The Best Way for All Here we look at some of the ways to use these tools to password protect your PDF. To password protect your PDF, you need a PDF tool that has the necessary encryption features. But you can also add a restriction (permissions) password that may allow anyone to open the document, but will prevent them from editing, copying, or printing the document. Adding an open password to the document will make it very hard for anyone without the password to open the document. If you have a PDF document that has sensitive or confidential information, the best way to keep the document from unauthorized access is to password protect the PDF.
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