Protect PDF

Encrypt the PDF with an AES-256 password and restrict permissions.

Preparing the tool

Preparing the workbench

Loading the view and its tools…

An open workbench for handling documents with precision, privacy, and no unnecessary steps.

In the browser

When a task runs in your browser, the file never leaves your device.

Specialized conversions use the VPS and delete files after download or within 30 minutes at most.

Tools Workflows History HelpDonate51 tools and chainable workflows in one interface.

Help us improve

We read every message. You can send it anonymously, and we never attach your PDF.

What would you like to share?

A problemAn ideaOther

Your message*

Include what you were trying to do and what you expected to happen.

Email, optional

We will only use it if we need to clarify your report.

Website

We send the tool, device type, and an error code when available. We never send files, filenames, or document content.

Press ? anytime to see this help.

Encrypt the PDF with an AES-256 password and restrict permissions.

Preparing the tool

Protect PDF online, free — PapelPDF