Protect PDF
Add password protection to your PDF file
Drop PDF here or click to upload
Only PDF files are supported
How to Protect PDF Files with Password
Add password protection to PDF files to secure confidential documents, contracts, and sensitive information. Our free PDF protector encrypts your PDF with a password that will be required to open it.
Protection Process:
- Upload PDF: Drag and drop your PDF file
- Set Password: Enter a strong password for protection
- Protect: Click protect to encrypt the PDF
- Download: Your password-protected PDF downloads automatically
Why Protect PDF Files?
✓ Secure Documents
Prevent unauthorized access to sensitive PDFs.
✓ Encryption
PDF is encrypted with your password for security.
✓ Confidential Sharing
Share PDFs securely knowing only password holders can open them.
✓ Compliance
Meet security requirements for protecting sensitive data.
✓ Easy to Use
Add password protection in seconds without complex software.
✓ Free Tool
Unlimited PDF protection at no cost.
Frequently Asked Questions
How secure is password protection?
PDFs are encrypted with your password. Use a strong, unique password for best security.
Can I remove the password later?
Yes, use our Unlock PDF tool to remove password protection if you know the password.
What makes a strong password?
Use 12+ characters with a mix of uppercase, lowercase, numbers, and symbols.
Will the PDF still be readable?
Yes, but users will need the password to open and view it.
Can I restrict editing or printing?
This tool adds open password. For permissions/restrictions, advanced PDF tools are needed.
Is my password stored?
No, files and passwords are never stored. Everything is deleted immediately.