🔐 Lock PDF
Add password protection to PDF files for security
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✓ PDF locked successfully!
Your password-protected PDF has been downloaded.
Free PDF Locker – Password Protect PDF Files Online
Welcome to AliDeyah’s free PDF locker! Add password protection to PDF files instantly to secure sensitive documents. Whether protecting business contracts, personal information, financial documents, or confidential reports, our tool encrypts PDFs with strong passwords and customizable permissions. No software needed—secure PDFs directly in your browser with complete privacy!
Key Features
🔐 Strong Encryption
Protect PDFs with secure password encryption.
🎯 Custom Permissions
Control printing, copying, and editing permissions.
⚡ Instant Protection
Lock PDFs with passwords in seconds.
🔒 100% Secure
Files processed locally. Never uploaded to servers.
💯 Free Forever
Protect unlimited PDFs with no fees or registration.
📱 All Devices
Works on desktop, tablet, and smartphone.
Why Password Protect PDFs?
- Confidentiality: Protect sensitive business and personal documents.
- Prevent Unauthorized Access: Ensure only authorized people can open PDFs.
- Control Permissions: Restrict printing, copying, or editing as needed.
- Compliance: Meet data protection regulations and security requirements.
- Intellectual Property: Protect copyrighted materials from unauthorized use.
- Secure Sharing: Share documents via email without security concerns.
Frequently Asked Questions
Is this PDF locker really free?
Yes! Completely free with no hidden charges or registration required. Protect unlimited PDFs.
Are my PDFs secure and private?
Absolutely! Files are processed in your browser and never uploaded to servers. Complete privacy guaranteed.
Can I remove the password later?
Yes, use our Unlock PDF tool with the correct password to remove protection later.
What if I forget the password?
Choose a memorable password or store it securely. There’s no password recovery for locked PDFs.
Ready to Lock Your PDF?
Upload your PDF now and add password protection for security!