Protect PDF
How to Protect a PDF
Upload PDF
Upload the PDF file you want to protect.
Set Passwords
Enter user password (to open) and/or owner password (for permissions).
Configure Permissions
Set which actions are allowed: printing, copying, editing, form filling, etc.
Protect & Download
Click protect to encrypt the PDF. Download your secured file.
Use Cases for Protect PDF
📄Document Processing
Use protect pdf to process and manage your PDF documents efficiently.
💼Business Documents
Perfect for handling business documents, contracts, reports, and presentations.
🎓Academic Work
Ideal for students and researchers working with academic papers and documents.
Frequently Asked Questions
What if I forget the password?
We cannot recover forgotten passwords. Make sure to save your passwords securely. Without the password, the PDF cannot be opened.
Can I remove protection later?
Yes, if you have the owner password, you can use our Unlock PDF tool to remove protection.
Are passwords encrypted securely?
Yes, PDFs use industry-standard encryption. Use strong, unique passwords for best security.
Is protect pdf free to use?
Yes, all our PDF tools are completely free with no usage limits or registration required.
Is my data secure?
Absolutely. All processing happens in your browser. Your files never leave your device.
What file formats are supported?
This tool supports application/pdf. Check the upload area for specific format requirements.
About Protect PDF
Add password protection and permission restrictions to your PDF files. Secure sensitive documents with user passwords (to open) and owner passwords (for permissions). Control printing, copying, editing, and other actions.
Security Features:
- User password (required to open PDF)
- Owner password (controls permissions)
- Restrict printing, copying, editing
- Control form filling and annotations