Developer ToolsDebugging ToolsFree Tool
Port Scanner
Get a pointer to a real port scanning tool — this page cannot scan network ports from your browser.
How to Use Port Scanner
- 1Enter the host (optional — it isn't scanned here)
- 2Click Process
- 3Follow the link to a real port scanning tool
Frequently Asked Questions
No — clicking Process shows a fixed message recommending a real tool; it never attempts to connect to any port.
Browsers deliberately block JavaScript from opening arbitrary raw TCP connections to scan ports — this is a fundamental security restriction, not a missing feature.
portscanner.standingtech.com performs genuine port scans; for more thorough scanning, dedicated tools like nmap (run from your own machine) are standard.
No — since no real scan happens, nothing you enter is transmitted.
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