Protect PDF
Add password protection to your PDF documents to prevent unauthorized access.
Drag and drop your PDF here, or
Features
- Password protection
- Secure your documents
- Prevent unauthorized access
- Instant download
- 100% browser-based
- No registration needed
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Frequently Asked Questions
How do I password protect a PDF?
Upload your PDF, enter a password (minimum 4 characters), confirm the password, and click Protect PDF. Your protected PDF will download instantly.
Is the password protection secure?
We add protection metadata to your PDF. For maximum security, consider using additional encryption tools.
Can I remove password protection later?
Yes, use our Unlock PDF tool if you know the password to remove protection.
Are my files secure?
Yes! All processing happens in your browser. Your files never leave your device.