Protect PDF Online - Add Password to PDF Securely

Protect PDF with Password

Add strong password protection to your PDF files instantly.

or drag & drop your file here

What is PDF Protection?

PDF protection is a security feature that allows you to restrict access to your document by adding a password. This ensures that only authorized users can open and view the file. It is widely used for protecting sensitive information such as contracts, financial data, and personal documents.

How to Protect a PDF File

  1. Select or drag your PDF file into the upload area.
  2. Enter a secure password and confirm it.
  3. Click the “Protect PDF” button.
  4. Download your encrypted PDF file.

Why Use This Tool?

This tool works entirely in your browser, meaning your files are never uploaded to any server. It provides fast, secure, and private PDF protection without compromising your data.

Frequently Asked Questions

Is this tool free?

Yes, this PDF protection tool is completely free to use.

Are my files uploaded?

No. Everything is processed locally in your browser for maximum privacy.

Can I remove the password later?

Yes, you can use an Unlock PDF tool to remove protection if you know the password.

Does this work on mobile devices?

Yes, it works on all modern smartphones, tablets, and desktops.