Select PDF file or drop it here
Click the red + button or click anywhere inside the box to upload your PDF.
Set Password Protection
Enter a password to encrypt your PDF document.
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Protect PDF Tool
Encrypt your PDF file with a secure password and prevent unauthorized access.
Fast, Free & Secure Online Tool
Protect PDF Online Free – Add Password
Security is vital when dealing with sensitive information like contracts, bank statements, personal identification, or reports. Our Protect PDF tool encrypts your files using industry-standard password protection. This prevents unauthorized users from opening, printing, copying, or editing your file without entering the correct password. Rest easy knowing your files are fully encrypted and secure.
100% Private & Secure
Files are processed securely and deleted automatically right after conversion.
Zero Signup Required
No credit cards, email registration, or software installation needed. Free forever.
High Accuracy Engine
Retains formatting, layout, tables, fonts, and images with crisp fidelity.
When do you need it?
- •Encrypting legal contracts before sending them over email.
- •Securing bank statements, tax returns, or identity documents.
- •Protecting proprietary research or project designs.
- •Ensuring reports are only readable by authorized team members.
How to use this tool:
- 1Select and upload the PDF file you wish to secure.
- 2Enter a strong, secure password.
- 3Re-enter the password to confirm it.
- 4Click 'Protect PDF' to encrypt and download your secured file.
Frequently Asked Questions
What encryption standard is used?
We use secure, modern encryption algorithms that are fully supported by all major PDF readers.
Can I recover my password if I forget it?
No. For security reasons, we do not store your passwords or your files. If you lose the password, we cannot recover the document.
Can the password be removed later?
Yes, you can remove the protection at any time using our 'Unlock PDF' tool, provided you know the password.
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