Step by step guide
How to Password Protect a PDF (Free)
Add a password to a PDF so only the right people can open it, all in your browser.
Open the Protect PDF tool- 1
Open the Protect PDF tool
Go to the IYONM Protect PDF page.
- 2
Add your PDF
Select the file you want to protect.
- 3
Set a password
Enter and confirm a strong password.
- 4
Download
Save your password protected PDF.
Tip: Use our Unlock PDF tool later if you need to remove the password.