Password Protect PDF
Lock a PDF with a strong AES-256 password so only people you share it with can open it.
How it works
- Choose or drop your PDF.
- Type a password (at least 4 characters).
- Press Add password and download the protected PDF.
Frequently asked questions
How strong is the protection?
The PDF is encrypted with AES-256, the strongest standard PDF encryption.
What if I forget the password?
There is no way to recover it — WePDF never sees or stores your password. Keep it somewhere safe.
Is my password sent anywhere?
No. Your files are processed in your browser and never uploaded to a server.