Download Octopus Scanner

Free for Windows and macOS. Download it below, then check the file before you open it.

Thank you for downloading Octopus Scanner

Your Windows download has started.

Next steps

  1. Install Octopus ScannerFollow the steps in the Install Guide.

Octopus Scanner is free and built by one person. If it helps you, consider buying a coffee.

Expect a security warning the first time you open it. Octopus Scanner is free and doesn't use paid code signing, so Windows SmartScreen or macOS Gatekeeper will ask you to confirm. The Install Guide shows how, and the Security Warnings Guide explains why.

Version 5.1.0.3 is the release before the current one. Use it only if the latest version doesn't work for you, because it doesn't have the newest fixes. Latest Release Notes

Install from the terminal

One command downloads and installs the latest version.

Windows (PowerShell)

irm https://octopusscanner.com/install | iex

macOS (Terminal)

curl -fsSL https://octopusscanner.com/install | bash

Recommended if your browser blocks the download.

How it works

  1. Download and install

    Download the app for your computer.

  2. Enter a URL and scan

    Type a website address or local file path and select Start Scan.

  3. Review the report

    Get a self-contained HTML report with ready-made tickets.

Look after a website for a charity or non-profit? I'm happy to help you set it up and run your first scan. Get help setting up for a charity