TCP Connection Tester

Test TCP port connectivity reliably

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4.4(745 reviews)
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About TCP Connection Tester

Since browsers block raw TCP socket connections for security (CORS), this tool generates the exact native commands you need to test TCP connections on Windows, macOS, and Linux using tools like Netcat, Telnet, PowerShell, or cURL.

TCP Connection Tester Features

  • Cross-platform commands
  • PowerShell syntax
  • Netcat & Telnet support
  • 1-click copy

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