When should you use it?
Use this tool whenever you need to complete this task without installing separate desktop software.
Password Protect PDF
Protect a PDF with an opening password and permissions.
Free, no sign-up
Simple steps
All your tools in one place
Quick guide
What is Password Protect PDF?
Protect a PDF with an opening password and permissions. It runs through a focused workflow designed to make the task clear and quick.
How to use it
Add your file or content, review the available settings, run the tool, and check the result before downloading.
Important note
Keep a copy of the original file and review the downloaded result before relying on it.
Frequently asked questions about Password Protect PDF
Can I use this tool for free?
Yes. The tool is available online for free. Limits shown on the page help keep processing reliable for everyone.