Privacy First: Your files are processed entirely in your browser. Nothing is uploaded to our servers.
🔒
Protect PDF
Add password protection to your PDF files
Drag & drop your PDF file here
or click to browse (Max 50MB)
Set Password
Minimum 4 characters
Permissions (Optional)
Note: Password protection uses standard PDF encryption. Keep your password safe - we cannot recover it!
PDF Protected Successfully!
Your protected PDF is ready to download
How to Password Protect a PDF
1
Upload PDF
Select or drag your PDF file to upload
2
Set Password
Enter a strong password and set permissions
3
Download
Download your password-protected PDF
Free Online PDF Password Protection
Secure your PDF documents with password protection using our free online tool. Add encryption to prevent unauthorized access to your sensitive files - all processed securely in your browser.
Why Password Protect Your PDFs?
- Confidential Documents - Protect financial reports, contracts, and personal information
- Intellectual Property - Secure business proposals, research, and creative work
- Compliance - Meet security requirements for handling sensitive data
- Controlled Sharing - Share documents with only authorized recipients
Key Features
Strong Encryption
Uses PDF standard encryption for compatibility
Permission Control
Control printing, copying, and editing permissions
100% Private
Files processed locally, password never sent to server
Instant Processing
Protect your PDF in seconds
Password Tips
For maximum security, use a strong password:
- At least 8 characters long
- Mix of uppercase and lowercase letters
- Include numbers and special characters
- Avoid common words or personal information
Frequently Asked Questions
PDF password protection uses standard encryption that is widely supported. While it provides good protection against casual access, determined attackers with specialized tools may be able to crack weak passwords. Use strong, unique passwords for sensitive documents.
Yes, if you know the password, you can use our Unlock PDF tool to remove password protection from your PDF file.
We do not store your password - it's only used locally in your browser. If you forget your password, you will not be able to open the protected PDF. Always keep a record of your passwords in a secure location.
No, absolutely not! Your PDF file and password are processed entirely in your web browser. Nothing is uploaded to our servers, ensuring complete privacy and security for your sensitive documents.