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Port Range Scanner – Quick Open Port Checker (Client-Side)

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Port Range Scanner – Quick Open Port Checker (Client-Side)

The Port Range Scanner Tool is a speedy, browser-based utility that helps IT professionals and sysadmins check TCP port availability on a given IP or hostname within a specified range.

Whether you’re verifying firewall rules, testing port forwarding, or diagnosing network services, this client-side tool makes it effortless and safe — requiring no installations or background services.

Key Features:

  • Scan TCP ports directly from your browser
  • Fully client-side (JavaScript-based)
  • Dark mode toggle for comfort
  • Range configurable from 1–65535

Use cases include scanning local network devices, auditing port configurations, educational demonstrations, or sneak previews before running Nmap on CLI.

Launch Tool:

Open Port Range Scanner Tool

Learn more: Port scanning overview on Wikipedia