Password Protect PDF
Lock your PDF with AES-256 encryption so only people with the password can open it. Set an owner password and decide exactly what readers may print, copy, edit or annotate.
Select a PDF file
or drag and drop a file here
How it works
How to password protect pdf online
- 1
Upload your PDF by clicking the box or dragging a file into it.
- 2
Choose your settings in the panel on the right.
- 3
Click “Protect PDF” and download the result.
FAQ
Questions about Password Protect PDF
How strong is the encryption?+
Files are encrypted with AES-256, the strongest level the PDF standard supports, directly in your browser.
What if I forget the password?+
There is no recovery. Store it somewhere safe such as a password manager.