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TCP Viewer is a native packet analysis tool specifically designed for Mac, deeply developed based on the Wireshark engine. It supports real-time packet capture, PCAP file preview, TCP stream reassembly, protocol filtering, and command-line operations. Licensed under the GPL open source agreement, its interface is simple and intuitive, making complex network debugging easy and efficient.
"After using Wireshark for six years, my eyes finally feel comfortable after switching to TCP Viewer. With its native Mac interface and the same level of analysis depth, I can directly view PCAP files by dragging and dropping them, which has doubled my efficiency." — Lin Yuanzhe, Senior Backend Engineer
"The search function of 'Follow TCP Stream' saved my life. When troubleshooting payment callback issues, I could instantly locate the abnormal packets, eliminating the need to sift through the payload packet by packet." — Zhang Sihan, Security Testing Engineer
"The command-line tool is perfectly integrated into our automated testing pipeline, and the JSON output is parsed directly, which is much more convenient than tshark." — Michael Chen, DevOps Lead
TCP Viewer is not a cheap alternative to Wireshark, but a redesign tailored for the Mac ecosystem. It retains all the depth required for professional network analysis while eliminating the bloated and obscure features brought by two decades of historical baggage. Whether you are a full-stack developer who occasionally needs to capture packets to troubleshoot issues or a security engineer who handles countless packets daily, this tool deserves a place in your Dock.