PDF Password Protector
Add password protection to secure your documents
100% Client-Side • Privacy Protected
🔒 Privacy & Security Notice
Your PDF is processed securely on our server and immediately discarded after encryption. The file is never stored or logged, ensuring complete privacy.
💡 How It Works
The password you set will be required to open the PDF. Keep it safe! We cannot recover lost passwords.
How to use PDF Password Protector?
1
Upload your PDF file
2
Enter a strong password (minimum 6 characters)
3
Confirm your password
4
Click 'Protect PDF' to add password protection
5
Download your protected PDF
Why use this tool?
- ✓100% free and no registration required
- ✓All processing happens on your device - your data stays private
- ✓No watermarks, no ads interrupting your workflow
- ✓Works on any device - desktop, tablet, or mobile
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💡 Quick Tips
- • Works offline after first load
- • No file size limits
- • Browser cache for faster processing
- • Compatible with all major formats