Is this PDF password protection tool free?

Yes, our PDF password protection tool is completely free to use. There are no hidden fees, no watermarks, and no signup required.

Do you store my PDF files or passwords?

No, we do not store your PDF files or passwords. All operations are processed in real-time and files are immediately deleted after processing.

What encryption is used?

We use AES-256 encryption, the industry standard for PDF password protection, ensuring your documents are secure.

How can I automate this process?

You can automate PDF password protection using our API or no-code integrations like n8n, Make, Zapier, and Bubble.

Password Protect PDF (Free & Online)

Add password protection to your PDF documents with AES-256 encryption. Secure your sensitive files. Fast, secure, and powered by pdf noodle's engine.

🗑️ PDFs permanently deleted after 1 day

⚡️ 10 PDFs per hour free

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