Protect / Encrypt PDF
Add a password to restrict opening your PDF.
About PDF Protection
Add strong password protection to your PDF documents to prevent unauthorized access. Your PDF will be encrypted and require the password to open, ensuring your sensitive information remains secure.
Perfect for confidential documents, financial reports, legal files, and any PDFs containing private information that needs to be shared securely.
Our tool ensures maximum security and privacy — your uploaded files are deleted automatically after processing.
How to Password Protect PDF Files
Upload PDF
Drag & drop your PDF file or select it from your device
Set Password
Create strong password and choose encryption level for maximum security
Encrypt PDF
Click "Protect PDF" - encryption happens instantly with bank-level security
Download
Get your password-protected PDF file with restricted access security
Why Password Protect PDF Files Online?
Bank-Level Security
128-bit & 256-bit AES encryption for maximum document protection
Access Control
Restrict opening, printing, copying, or editing of PDF documents
No Quality Loss
Original PDF quality and formatting preserved after encryption
Double Protection
Set user password and owner password for different permission levels
Instant Encryption
Protect PDF files in seconds, no software installation needed
Secure Processing
Your PDF files are protected and automatically deleted after encryption
Perfect For PDF Protection & Encryption
Confidential Documents
Protect sensitive business reports, financial statements, and confidential company documents.
Legal Contracts
Encrypt legal agreements, non-disclosure agreements, and sensitive legal documents.
Personal Information
Secure personal documents, ID copies, tax returns, and private financial information.
Academic Work
Protect research papers, theses, unpublished work, and academic intellectual property.
Medical Records
Encrypt patient records, medical reports, and healthcare documents for HIPAA compliance.
Business Proposals
Secure business plans, client proposals, and competitive bidding documents.
Frequently Asked Questions
Is PDF password protection free?
Yes! Protect unlimited PDF files with passwords completely free. No registration or hidden fees.
What encryption levels are available?
We offer 128-bit and 256-bit AES encryption, the same security used by banks and governments.
Can I set different permissions?
Yes! Control opening, printing, copying, editing, and form filling with separate permission settings.
What if I forget the password?
We don't store passwords. Keep your password safe - encrypted PDFs cannot be recovered without it.
Are my PDFs secure during encryption?
Absolutely. PDFs are processed securely with SSL encryption and automatically deleted after processing.
Will encryption affect PDF quality?
No quality loss. Encrypted PDFs maintain original formatting, images, and text quality.