🔒 Protect PDF
Add a password to a PDF so only people with the password can open it.
About Protect PDF
Protect PDF adds a password so only people who know it can open the file. It's the simplest way to secure statements, contracts, salary slips or ID copies before you email them or store them in the cloud — the document becomes unreadable to anyone without the password.
How to use Protect PDF
- Upload the PDF you want to secure.
- Type a strong password to open it.
- Click Protect PDF and download the encrypted file.
Why use Protect PDF
- Encrypts the PDF so only the password holder can open it.
- Ideal for financial, legal and personal documents.
- Free, instant and adds no watermark.
Protect PDF — frequently asked questions
What happens if I forget the password?
There's no way to recover it — the PDF is genuinely encrypted. Store the password somewhere safe before you share the file.
Will the reader need the password every time?
Yes. Anyone opening the PDF, including you, must enter the password each time, in any PDF viewer.
How strong should my password be?
Use at least 8 characters with a mix of letters, numbers and symbols. Avoid names or dates that are easy to guess.
Can I remove the password later?
Yes. Use the Unlock PDF tool with the same password to create an unprotected copy whenever you need one.