Password-protect a PDF
Add a password with strong AES-256 encryption.
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How to Protect PDF
- 1
Upload your PDF.
- 2
Choose a password and what people may do with the document.
- 3
Click Protect PDF. Share the password separately.
Frequently asked questions
How secure is it?
The file is encrypted with AES-256, the strongest standard PDF encryption. Use a long, unique password for real protection.
What if I forget the password?
There's no way to recover it, so keep a copy of the original or store the password safely.