Protect PDF

Password-protect your PDF with 128-bit encryption. Powered by Ghostscript.

Free No signup Secure processing

Uses 128-bit AES encryption via Ghostscript. Files are deleted from server immediately after processing.

How to use Protect PDF

  1. 1Choose or drop your file into the tool.
  2. 2Adjust the options for protect pdf.
  3. 3Download the finished file when processing is complete.

Why use this tool?

  • Free online PDF tool with no registration.
  • Works in a modern browser on desktop, tablet, and mobile.
  • No watermark added to your finished file.

Privacy note

This tool uses secure temporary server-side processing for heavier PDF work. Files are processed only for the requested action and are not kept as user accounts or permanent storage.

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