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Password Protect PDF and Encrypt PDF for Server For Free
How to Password Protect PDF and Encrypt PDF for Server - video instructions
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How do I password protect a PDF file for free?
Open a file in Acrobat and choose Tools > Protect. Select whether you want to restrict editing with a password or encrypt the file with a certificate or password. Set password or security method as desired. Click OK and then click Save.
How do I encrypt a PDF with a password?
Open the PDF and choose Tools > Protect > Encrypt > Encrypt with Password. If you receive a prompt, click Yes to change the security. Select Require a Password to Open the Document, then type the password in the corresponding field.
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