VPN Guardian · free & open source

Your VPN says it's on. Is it?

A free security agent that runs on your Mac, watches your connection every 30 seconds, and alerts your laptop and phone the moment your VPN drops or leaks your real location.

What websites see right nowChecking…
IP address
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Location
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Network owner
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If this shows your home city, your VPN is off or leaking.

What it watches

Most people trust their VPN blindly. VPN Guardian checks that it's actually working and tells you in plain language when it isn't.

Install in a minute

macOS. Needs nothing but Terminal. Run it once with your VPN off so it learns your real IP, then turn the VPN on.

Phone alerts are free through the ntfy app. Setup steps are in the README on GitHub.

Roadmap

Built in public, one version at a time.

  1. v0VPN drop, IP leak and route leak alerts
  2. v1Location tracking and free phone alerts
  3. v2DNS, IPv6 and WebRTC leak tests; risky Wi-Fi warnings
  4. v3VPN app auditor that grades installed VPNs A to F
  5. v4Your own WireGuard server with location rotation
  6. v5Local AI that explains every alert in plain English
  7. v6Home network watch and a dashboard

Follow the build

I'm teaching myself cybersecurity and building tools like this in public. I write about the journey, what breaks, and what I learn on Substack.

Made by Ghato. MIT licensed. VPN Guardian never sends your data anywhere except the alerts you set up.