Password Protect PDF
Encrypt a PDF with a strong password directly in your browser.
Free • Fast • No registration • Private
Drop your PDF here
or
PDF files up to 100 MBPRIVATE PDF SECURITY
Password Protect PDF
Encrypt your PDF with AES-256 protection. Files are processed locally in your browser and are never uploaded.
How to protect a PDF
- Choose your PDF file.
- Enter and confirm a password.
- Click Protect PDF.
- Download your password-protected document.
Frequently asked questions
Is my PDF uploaded?
No. The PDF is encrypted locally in your browser and is not sent to a server.
What encryption is used?
The tool uses AES-256 PDF encryption for strong document confidentiality.
Can I recover a forgotten password?
No. Keep your password somewhere secure because it cannot be recovered.