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Free online PDF tool

Protect PDF Online

Use Protect PDF when a document needs extra access control before sharing. Strong PDF encryption is handled by the secure server processor when configured.

No signup required for everyday PDF work
Automatic file deletion after processing
Mobile-first upload and download flow
Clear 25MB browser-processing limit

Use only files you own or have permission to process. Keep passwords somewhere safe; SavePDF cannot recover them later.

How to use Protect PDF

  1. 1. Upload a PDF.
  2. 2. Enter a strong password.
  3. 3. Protect the file and download the secured PDF.

Private by default

SavePDF is built for sensitive documents. HTTPS is enforced by the hosting layer, accounts are optional for browser tools, and temporary files are deleted after the processing window.

Protect PDF FAQ

What password should I use?

Use a unique password with at least 12 characters. Avoid names, dates, and passwords you already use elsewhere.

Can SavePDF recover my password later?

No. Keep the password somewhere safe because encrypted PDFs cannot be recovered without the correct password.

Is Protect PDF free to use?

Protect PDF is available as a free online PDF tool for common document tasks. You can upload a file, process it, and download the result without creating an account.

Are my files private when I use Protect PDF?

SavePDF uses encrypted transfers and deletes temporary processing files after 1 hour. Your documents are used only to complete the action you request.

Can I use Protect PDF on mobile?

Protect PDF works in modern mobile and desktop browsers, so you can manage documents from a phone, tablet, laptop, or desktop.