LiveTcpUdpWatch is a free network tool for Windows created by NirSoft. It displays live data about every single TCP and UDP packet your computer sends and receives.
Unlike other tools that only show open network ports, this utility acts as a live packet counter. It tells you exactly how much data your apps are using in real-time. 🛠️ Key Features of LiveTcpUdpWatch
The tool displays traffic in a clean, simple table. For every active connection, you can see:
The Protocol: It tracks IPv4 and IPv6 traffic for both TCP and UDP.
Packet and Byte Counters: It counts the exact number of packets sent and received. It also displays the total size in bytes.
The Process Name: It shows the specific app or background process (ID and file path) using your network.
IP Addresses and Ports: It identifies the exact local and remote addresses handling the data.
Timing Details: For TCP traffic, it logs the exact second a connection starts and ends. 🚀 Why It Stands Out
No Installation Needed: It is a completely portable app. You just download the small file, unzip it, and run it right away.
Lightweight: The file size is tiny—under 100 KB. It will not slow down your PC.
Better UDP Tracking: Other standard tools often struggle to track UDP activity. This tool groups UDP data beautifully so you can see exactly which app is streaming or sending fast data.
Extra Geolocation Data: You can add free external database files to the folder to see the country and city of the remote IP addresses. 💻 How to Get and Use It
You can download the tool directly from the official NirSoft LiveTcpUdpWatch Page. It works on almost all versions of Windows, from Windows XP up to modern systems. It is available in both 32-bit and 64-bit versions to match your computer system.
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