I can provide the official, safe installation steps or recommend a trusted tool for your specific task. Share public link
Input the target (e.g., 192.168.1.50 ) and the target Port (e.g., 8080 ). Type a message into the payload/data text box. Click Send to transmit the packet visually. Troubleshooting Common Issues
What is your specific (e.g., port testing, file transfer, home lab)? Are you getting any specific firewall or antivirus errors ?
For pure connectivity testing without security risks, native operating system tools are preferred:
majorgeeks.com/files/details/netcat_gui.html Verify the version number on the page; as of 2026, they still serve v13. netcat gui v13 download link
This indicates that either the remote machine is not listening on that specific port, or a network firewall/router is actively blocking the traffic between the two devices.
Netcat GUI v1.3 is a third-party application developed to wrap the functionality of the standard nc (Netcat) tool within a user-friendly, Windows-based interface. It allows users to:
A Netcat GUI wraps the core functionality of the command-line tool into a standard desktop window. A typical Netcat GUI features:
A wraps the core functionalities of Netcat into a visual window. I can provide the official, safe installation steps
Almost all modern Endpoint Detection and Response (EDR) agents and antivirus software flag Netcat and its GUI wrappers as Hacktools or Potentially Unwanted Programs (PUPs). Even a clean, benign compilation of Netcat will likely be quarantined by Windows Defender or security software due to its inherent capabilities to create reverse shells. Outdated Cryptography
Frequently used for sending .bin payloads to consoles like the PS4 and PS5 [ConsoleMods].
If you are looking for alternatives or have issues with the download, Netcat - ConsoleMods Wiki
Visualizing open ports on a target IP address. Click Send to transmit the packet visually
Use the built-in OpenBSD variant of Netcat ( nc ) pre-installed in most terminal environments.
First, it's important to clarify a common point of confusion: there is no official, universally recognized "Netcat GUI v13". The version number "13" is not a standard release from the major Netcat GUI projects. It likely refers to one of two things:
The most reliable and trusted source for downloading Netcat GUI v13 is its official GitHub repository, maintained by the project developer Shinnok. Visit GitHub.com/shinnok/netcatgui to find the latest release files. The repository contains all source code, precompiled binaries for various platforms, and documentation. Using the official GitHub repository ensures you download unaltered, malware-free versions directly from the developer.
: Easily moving files between devices by opening a listening port on one and sending from the other. Network Debugging