How protect your PDF document with password

Securing your PDF document with a password is a great way to control who can access your files. The easiest way to password protect your PDF files from any browser is with Adobe; they did invent the PDF file format, after all. Here are a few methods to create a PDF password.
How protect your PDF document using Acrobat online tool
The simplest way to password protect a PDF document is using the Adobe Acrobat online tool. It will allow you to download a secure copy of your PDF file so that a password is always needed to view the contents.
- visit Adobe Acrobat online tool
- click the Select a file button
- You’ll then be asked to enter a password.
- Once it is strong, retype it to confirm the password and click Set password
How to password protect a PDF in Adobe Reader
If you pay for Adobe Acrobat Pro, you can secure your PDFs with a unique password within Adobe Reader.
- Open a PDF file in Adobe Reader
- Navigate to Tools in the top left corner to find the Protect tool.
- You might need to open the drop-down box beside Protect to change the encryption options to Encrypt with Password.
- You might need to open the drop-down box beside Protect to change the encryption options to Encrypt with Password.
- You can also check the box under Permissions if you want to require the password for editing and printing the PDF document. Once your password is set, click OK in the bottom right.