Password Protect PDF
Password protect PDF files online with ProPDF. Add a password to your PDF, lock sensitive documents, and encrypt your files instantly. It’s free, fast, and secure.
- From Device
- From URL
Or drag and drop files
ProPDF makes it easy to password protect PDF files online. Whether you want to encrypt a PDF, lock private information, or restrict access to sensitive documents, our free PDF password tool allows you to secure your files in seconds. Just upload your PDF, set a strong password, and download your protected file right away.
- ✓Encrypted transfers
- ✓Auto file deletion
- ✓No watermarks
- ✓Works on all devices
Why Choose ProPDF Password Protect Tool?
Fast PDF Protection
ProPDF lets you lock PDF files quickly and safely. Upload your file, add your password, and encrypt the PDF in seconds to prevent unauthorized access.
Password Protect PDF Free
You can password protect a PDF for free without creating an account. Upload your document, choose a secure password, and download your encrypted file immediately.
High Quality Security
Encrypting a PDF does not change your content. ProPDF applies strong encryption while keeping images, formatting, and layout exactly as they are.
Secure and Private Processing
Your protected PDFs stay confidential at all times. All files are encrypted upon upload and deleted automatically after processing. ProPDF never views or stores your documents.
Protect PDF Online Without Software
ProPDF lets you add a password to PDF files directly in your browser. No apps, downloads, or software needed. Just upload, protect, and save.
Works on Any Device
Use ProPDF on your desktop, laptop, tablet, or mobile. Password protect PDFs online from any device and secure your documents instantly.
How to Password Protect a PDF Using ProPDF?
Upload your PDF files
Enter your password
Click Protect
Download your protected PDFs
Everything You Can Do With ProPDF Password Protect PDF Tool
- ✓Password protect PDF files quickly
- ✓Add a password to PDF documents
- ✓Encrypt PDFs for secure sharing
- ✓Lock private or confidential files
- ✓Protect multiple PDFs at once
- ✓Use strong encryption for safety
- ✓Protect PDFs online without software
- ✓Download encrypted PDFs immediately
- ✓Save protected PDFs to cloud storage
Your Privacy, Our Priority
We take security seriously. All uploads are encrypted, processed safely, and removed from our servers shortly after completion. Your documents remain private, and ProPDF never stores or views them for any reason.
Secure Software Development
Security is built into every step of our development process. Regular reviews and checks help us maintain a safe and stable platform.
File Deletion Policy
Your files are automatically deleted a few hours after processing. Nothing is stored, reused, or kept on our servers.
Isolated File Processing
Each file is handled in its own secure environment, keeping your documents private and separated from all other tasks.
SSL/TLS Encryption
All uploads, downloads, and user actions are protected with SSL/TLS encryption, ensuring a fully secure connection.
Secured Data Centers
ProPDF runs on ISO-certified data centers with 24/7 monitoring, advanced firewalls, and strong physical and network security.
User Activity Monitoring
Our systems track unusual behavior using automated alerts and activity logs to protect the platform and ensure safe usage.
Password Protect PDF FAQ
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Ready to password-protect your PDF? Upload your file and secure your document in seconds.
Developed by the team behindFreeConvert, trusted by millions worldwide, ProPDF delivers the same secure, dependable experience for handling your documents.