Protect PDF
Add password protection and permissions to your PDF files. Control who can open, print, or copy your documents. All processing happens in your browser.
100% Private
Processed locally
Free & unlimited
Protect Your PDF
Password Settings
Permissions
Protecting PDF...
0%
Current Limitations
- Browser-based encryption may not support all PDF reader permission settings
- Some PDF readers may not enforce all permission restrictions
- Passwords are case-sensitive and must be remembered by the user
Related PDF Tools
How to Protect a PDF
1
Upload PDF
Upload the PDF you want to protect
2
Set Passwords
Choose user and/or owner passwords
3
Configure Permissions
Control printing, copying, and editing
4
Download
Get your password-protected PDF
Frequently Asked Questions
Is protecting a PDF free?
Yes, protecting a PDF with a password is completely free.
Can I set different passwords for opening and editing?
Yes, you can set a user password (required to open) and an owner password (required to change permissions).
Does my file leave my computer?
No. All processing happens locally in your browser. Your file never leaves your device.
How strong should my password be?
Use a strong, unique password with a mix of uppercase, lowercase, numbers, and symbols for maximum security.