Password Protect PDF Online Free – Encrypt PDF File

    Password protect your PDF file instantly. Secure sensitive documents online.

    or use quick options

    How to use Protect PDF

    1. Click the main button or drop your files into the area above.
    2. Wait a moment while we process and prepare your documents.
    3. Click "Process Files" to open them in the workspace and continue.

    Secure & private

    Files are handled over secure connections and tied only to your current browser session.

    Works everywhere

    Use it from any browser on Windows, Mac, Linux, or mobile without installing anything.

    Protect PDF – Frequently Asked Questions

    What kind of password protection is used?
    PrestigePDF applies industry-standard encryption to keep your document secure.
    Can I allow printing or copying?
    Yes. You can set permissions if the tool supports it for the PDF.
    Can I remove protection later?
    Yes, you can unlock the PDF with the original password using our unlock tool.