Password Protect PDF
Password protect PDF online for free — add password encryption to your PDF files. Secure PDF documents with password protection. No login required.
100% Free • No Login Required • Your files never leave your device
Drop your PDF file here
or click to browse • PDF files only
Max 50 MB per file
Frequently Asked Questions
How to Use Password Protect PDF Online
- 1Upload the PDF you want to protect.
- 2Enter a strong password for encryption.
- 3Click "Protect PDF" to apply encryption.
- 4Download your password-protected PDF.
Why Use Our Password Protect PDF?
- Add password encryption to any PDF document
- Standard PDF security encryption
- Password never transmitted — stays in your browser
- Protected PDFs work with all PDF readers
- No login, no sign-up required