PDF Password Protection Tool
Secure your PDF files by adding password protection in just a few clicks
Select or Drop your PDF file
Choose the PDF file you want to protect with a password
Why Password Protect Your PDF Files?
In today's digital world, protecting sensitive documents is more important than ever. Our free online PDF password protection tool allows you to securely encrypt your PDF files with strong passwords, ensuring that only authorized individuals can access your confidential information.
Bank-Level Security
We use advanced 128-bit AES encryption to protect your PDF files, the same standard used by banks and government agencies.
Complete Privacy
Your files are processed entirely in your browser. They never leave your computer and are never uploaded to our servers.
No Watermarks
Unlike many online tools, we don't add any watermarks or branding to your protected PDF files.
How to Password Protect a PDF File
Follow these simple steps to secure your PDF documents:
- Select your PDF file - Click the upload area or drag and drop your PDF into the designated zone
- Set a strong password - Create a secure password with a mix of letters, numbers, and special characters
- Confirm your password - Re-enter your password to ensure accuracy
- Protect your PDF - Click the "Protect PDF" button to encrypt your document
- Download your secured file - Save the password-protected PDF to your device
Common Uses for Password Protected PDFs
- Protecting sensitive financial documents like tax returns or bank statements
- Securing legal contracts and confidential agreements
- Safeguarding personal identification documents
- Controlling access to proprietary business information
- Sharing medical records with healthcare providers securely
Tips for Creating Strong PDF Passwords
To maximize the security of your protected PDF files, follow these password best practices:
- Use at least 12 characters
- Include uppercase and lowercase letters
- Add numbers and special characters (like !, @, or #)
- Avoid common words or personal information
- Consider using a passphrase (a series of random words)
- Don't reuse passwords from other accounts
Frequently Asked Questions
Q: Is this tool really free to use?
A: Yes, our PDF password protection tool is completely free with no hidden charges or limitations.
Q: Can I remove password protection from a PDF?
A: This tool only adds password protection. To remove protection, you would need the original password and a PDF editor.
Q: What's the maximum file size I can protect?
A: There's no strict limit, but very large files may take longer to process depending on your device's capabilities.
Q: Is there any limit to how many PDFs I can protect?
A: No, you can protect as many PDF files as you need without restriction.