Protect PDF
Add password encryption to secure your PDF documents.
Drag & drop files here, or click to browse
Supports: .pdf
Maximum file size: 300MB • Up to 5 files
Encryption & Security
How to use Protect PDF
Upload Files
Drag and drop files from your system or cloud drives into the secure Protect PDF workbench.
Configure Settings
Adjust compression ratios, ranges, orientation, stamps, or password configurations.
Process & Download
Hit process. Our servers complete your request in seconds and auto-delete files afterward.
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Frequently Asked Questions about Protect PDF
Is Protect PDF free?
Yes, Protect PDF is 100% free to use on PDFBuddy. You can process your files without any signups, credit cards, or hidden limits.
Is my file safe?
Absolutely. Security is our top priority. All uploaded files are processed securely using SSL encryption and are completely deleted from our servers automatically within one hour to ensure your privacy.
Do I need to install anything?
No. PDFBuddy operates entirely in your web browser. There is no software to download, install, or configure—works instantly on Windows, Mac, Linux, iOS, and Android.
How long does it take?
Processing takes only a few seconds. Our high-performance servers process conversions, compression, merging, and other tools instantly, giving you a download link in real-time.