Instant Protection
Add password protection to PDFs in seconds. No signup required.
Free PDF Password Protector
Secure your PDF files with password protection. Control printing, copying, and editing permissions!
Ad Placeholder728x90horizontal
Why Use Our PDF Password Protector?
Strong Encryption
Uses AES encryption to secure your documents.
No Restrictions
Unlimited uses, unlimited downloads. No credit card needed.
Free & Private
No email login, no signup. Processed locally in your browser.
Protect PDF Files with Password - Free Online Tool
Our PDF password protection tool helps you secure your documents with encryption. Add passwords to prevent unauthorized access, and control permissions for printing, copying, and editing. All processing happens locally in your browser for maximum privacy.
Ad Placeholder300x250medium-rectangle
?Frequently Asked Questions
How do I add a password to a PDF?
Upload your PDF, enter a password, confirm it, and click "Protect PDF". Your encrypted PDF will be ready for download.
What encryption is used?
We use AES-256 encryption, which is the industry standard for secure document protection.
Can I set different permissions?
Yes! You can choose to allow or restrict printing, copying text, and editing the document.
Is my PDF data secure?
Absolutely! All processing happens locally in your browser. Your files are never uploaded to any server.
Related Topics
pdf password protectlock pdfencrypt pdfsecure pdfpdf password