tcping for Windows

What the tool does

tcping is a lightweight Windows command-line utility that performs TCP-based “pings” to remote systems instead of using ICMP echo requests. It tests connectivity by trying to establish TCP connections to specified ports, making it ideal for verifying whether a service endpoint is reachable and responsive.

Why choose TCP probes

• It delivers a more realistic assessment of service availability in environments where ICMP packets are blocked or deprioritized.
• TCP probes measure the actual connection handshake times for specific ports, giving a finer view of application-level latency than raw ICMP round-trip times.
• The tool is compact and fast, suitable for quick diagnostics and repeated checks without heavy resource use.

Export and display modes

tcping can emit results in multiple formats to suit different workflows:

• CSV for spreadsheet-friendly logs
• JSON for structured integration with monitoring systems
• Colored console output for interactive troubleshooting
• sqlite3 databases for local archival and query
• Plain text for simple, human-readable output

Implementation and availability

• Developed in Go (Golang), which contributes to its small footprint and portable single-binary distribution.
• Free to use, making it accessible for both personal and professional network troubleshooting without licensing overhead.

Typical users and scenarios

• Network administrators who need to verify that specific service ports are open and responsive.
• DevOps and SRE teams monitoring application endpoints where ICMP may be unreliable.
• Anyone wanting precise, port-level latency measurements rather than just host reachability.