Networking utility

Open Port Checker

Test whether common ports (22 SSH, 80 HTTP, 443 HTTPS, 3389 RDP, 3306 MySQL) or custom ports are open and accessible.

A focused, repeatable check

Use the result as one input in a wider technical review. Confirm important findings against the rendered page, server configuration, and the official documentation for the system you are testing.

No invented performance data

The tool reports only what it can calculate from your input or retrieve through its stated request. It does not create search volume, ranking, traffic, or success forecasts.

Continue your workflow

Related tools

Open Port Checker — Free Online Tool | AIHOSTON