Protect PDF
Add a password to a PDF so only people who know it can open it.
Your PDF is processed right in your browser - it isn't uploaded to NyxPrism.
How it works
- 1Choose your PDF.
- 2Set an open password (and an optional owner password).
- 3Download the protected PDF.
What you get
- Password to open the file
- Optional owner password for permissions
- Encrypted in your browser
- Works with any PDF reader
Questions
Is Protect PDF free?
Yes. Create a free NyxPrism account and use it as often as you like.
Are my files uploaded?
Your PDF is processed right in your browser - it isn't uploaded to NyxPrism.
Does it work on Mac, Windows and phones?
Yes. NyxPrism runs in any modern browser, and you can install it as an app on your computer.