Port Radar is a native macOS menu bar app that shows you exactly what’s running on your ports—in plain English. Spot Vite, Next.js, Docker, forgotten apps, and anything else quietly using resources, then stop it with a single click. Apple Intelligence answers "what is this, is it safe to stop?" right on your device, so nothing leaves your Mac. Plus one click Cloudflare tunnels to share a local site as a live link.
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Port Radar is a native macOS menu bar app that translates raw port and process data into plain English. Instead of forcing you to decode cryptic lsof output or hunt through Activity Monitor, it shows exactly what’s running on each port—grouped by project, with clear labels like “Vite dev server” or “orphan.” The standout twist: Apple Intelligence answers questions like “Is this safe to stop?” directly on your Mac, with no cloud round-trip. It also bundles one-click Cloudflare tunnels, so sharing a local site as a live link takes seconds.
Pick any process, and Apple Intelligence reads the command, project, and context to tell you what it is, why it’s been running, and whether you should stop it. Everything stays on your Mac—no cloud, no privacy trade-off. It answers natural-language questions like “Why has this been up 14 hours?” or “Which project owns this port?”
From the ⋯ menu, hit Share, and Port Radar spins up a Cloudflare quick tunnel, auto-installs cloudflared, and hands you a public URL for your local app. Copy it, send it, stop it anytime—no CLI, no account setup, no extra tools.
The scan view lists every listening port—Vite, Next, Python, Docker, orphans—organized by project. You immediately see what’s running where, instead of scrolling through a flat list of PIDs.
Stop any process gracefully or force-quit it, with a confirmation step. No more hunting PIDs in the terminal or accidentally killing the wrong service. The app also supports opening the project directly from the port view.
“Stop guessing what’s listening—ask your Mac, not the terminal.”
The combination of on-device Apple Intelligence and one-click tunneling is what separates Port Radar from a simple port inspector. Most tools show you what is listening; this one tells you why it’s there and whether it matters, in plain language. And because the AI runs locally, you get private, instant answers even for unfamiliar processes. The Cloudflare tunnel integration removes the last friction point in sharing local work, making the whole loop—scan, understand, stop, share—feel effortless.
You’re on macOS 14 or later (Apple Silicon or Intel) and regularly juggle multiple dev servers, Docker containers, or local previews. If you’ve ever stared at a port number and wondered what’s behind it, or wasted time setting up a tunnel for a client demo, Port Radar is built for you. It’s open source under Apache 2.0, with the source on GitHub—and Apple Intelligence features require macOS 26+.
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