All tools / Protect PDF
Add a password to a PDF
Choose a password, and only people who know it will be able to open the file.
Your files stay on your device. Nothing is uploaded.
How it works
Choose your PDF
Drop it in or pick it from your device.
Choose a password
Type it twice so you don’t lock yourself out.
Download
Share the protected PDF and the password separately.
Questions
How strong is the protection?
AES-256, the same strength banks use. Nobody can open the file without the password.
What if I forget the password?
We can’t recover it for you, and neither can anyone else. Keep it somewhere safe.
Can I stop people printing or copying text?
Yes, turn on Advanced settings to set those limits.