Protect PDF Tool
Upload your PDF and set a password to secure it. Your PDF will remain private and encrypted locally.
About This Tool
The Protect PDF Tool allows you to secure your documents by adding a password. This ensures that your files cannot be opened without authorization. The tool works entirely in your browser, so your PDFs never leave your device.
Features
- Add passwords to PDFs instantly in your browser
- 100% client-side processing for maximum privacy
- Works on desktop, tablet, and mobile devices
- Supports multiple PDF uploads at once
- Free and no registration required
How to Use
- Click "Add PDF" and select your file.
- Enter the desired password in the input box.
- Click "Protect PDF" to encrypt your file.
- Click "Download Protected PDF" to save your secured file.
Frequently Asked Questions (FAQ)
Is this tool free?
Yes, you can protect your PDF files completely free of charge.
Are my files secure?
Absolutely. All encryption happens locally in your browser. Your PDFs never leave your device.
Can I use it on mobile?
Yes, it works on all devices including smartphones and tablets.
What kind of encryption is used?
The tool uses standard PDF encryption supported by most PDF readers.