Protect a PDF with a password
Encrypt your PDF with AES-256 so it can only be opened with your password. Optionally restrict printing, copying and editing.
- Files never leave your device
- Free, no signup, no watermark
- Works on any browser
How to protect a PDF with a password
- 1Choose your PDF
- 2Enter a password and choose permissions
- 3Download the protected PDF
About Protect PDF
Encrypt a PDF with a password using AES-256 and optionally restrict printing, copying or editing. Anyone opening the file will need the password.
Useful for
- Send payslips or medical records safely
- Protect a contract before emailing
- Lock down a confidential report
- Prevent copying of course material
Frequently asked questions
How strong is the encryption?+
Files are encrypted with AES-256, the strongest standard encryption supported by PDF readers.
Can you recover a forgotten password?+
No. The password never leaves your device, so keep it somewhere safe.
Are my files uploaded to a server?+
No. Everything is processed locally in your browser, so your files never leave your device.