Protect PDF
Add password protection and encryption to PDF files. Secure your documents with user and owner passwords.
Drop your PDF file here
or browse to upload
How to Protect PDF Files
Upload PDF File
Upload your PDF document that you want to password protect.
Set Protection
Choose passwords and permissions to control who can access and modify your PDF.
Download Secure PDF
Download your password-protected and encrypted PDF file.
Features
protectPdf.features.passwordProtection.title
protectPdf.features.passwordProtection.description
protectPdf.features.permissionControl.title
protectPdf.features.permissionControl.description
protectPdf.features.encryption.title
protectPdf.features.encryption.description
protectPdf.features.easyAccess.title
protectPdf.features.easyAccess.description
Frequently Asked Questions
What's the difference between user and owner passwords?
User password is required to open the PDF. Owner password allows changing permissions and security settings.
How secure is the encryption?
We use industry-standard AES encryption (128-bit or 256-bit) which is considered very secure.
Is my data secure?
Yes, all files are processed securely and are automatically deleted from our servers after processing. We don't store or share your documents.
Premium Features
- Protect PDFs up to 500MB
- Batch protection
- Advanced encryption options