Freeware version offers you a variety of network protocol analysis features, including the following: deep inspection of major network protocols, protocol-based network data filtering, browsing captured data, searching for specific data patterns with RegEx (Regular Expressions) support, network data logging (real-time network data logger feature), importing external WinPcap log files from different protocol analyzers and more. It allows you to capture network packets passed through your network adapters or interfaces. This free network sniffer supports basic functions for simple network protocol analysis, as well as for troubleshooting, securing and maintaining network infrastructures. It can capture network traffic on Windows 10, Windows 11 and supports all desktop/server Windows platforms (both 32-bit and 64-bit) starting from Windows Vista. Its superior performance makes this network protocol analyser extremely useful for real-time network monitoring and data logging applications. Product remains responsive when monitoring 1Gbps network links, even on a budget desktop PC. In contrast to competing products, network protocol parsing and structure binding functionality works instantly and keeps system performance intact. It features sniffing of live connections and processes data on the fly without interfering with monitored communication. Thanks to highly optimized and carefully tuned algorithms, our software network analyzer turns raw data into readable forms online, even at high data rates. It provides you with on-the-fly network traffic capture, protocol parsing and packet inspection functionality.

See all Free Network Analyzer screenshotsįree Network Analyzer is a non-intrusive software network packet sniffer and real-time network protocol analyzer for Windows platform.

Freeware wifi analyzer