Free Protect PDF

Add a password to a PDF to keep it private.

🛠 This tool is coming soon

We're building the Protect PDF converter right now. The guide below covers everything you need in the meantime.

  • 🔒 Files never leave your device
  • ⚡ Converted in your browser
  • ✅ No account required

Protect PDF: The Complete Guide

Add a password to your PDF so only people with the password can open it. Secure, real PDF encryption requires a protected processing step, which we're finishing now.

How to use the Protect PDF

  1. Drag and drop your PDF or click to choose it.
  2. Pick any options for this tool.
  3. Process and download your result.

Features

  • Open-password protection (coming soon)
  • Keeps documents private
  • No signup or watermark
  • Privacy-first by design

Frequently Asked Questions

Is this tool ready?

Password protection is being finalized. Reliable PDF encryption needs a secure processing step, which we're adding.

Can I unlock a PDF in the meantime?

Yes — use our Unlock PDF tool to remove a password from a PDF you own.

Is it free and private?

Yes. It's completely free with no signup, and your PDF is processed in your browser — nothing is uploaded.

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