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Protect PDF

Lock a PDF with a password (AES-256).

Free · secure server

Settings

Sign in to use this free tool

This tool runs on our server, so it needs a free Localnee account. Your file is deleted right after it's converted.

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💡 Keep the password safe — nobody, including us, can open the PDF without it. We never store it.

How Protect PDF works

  1. 1. Add your file.
  2. 2. Pick your settings — the defaults work for most people.
  3. 3. Press the button and download the result.

This tool needs a full document engine (LibreOffice and friends), so your file goes to our server, is converted, and is deleted the moment the result is ready. It's free — sign in so we can keep it fair for everyone (a generous daily limit).

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