PacketDebug

PacketDebug — A lightweight in-game network traffic analyzer for Minecraft.

Press F6 to open a real-time GUI showing packet traffic statistics for the last 30 seconds. Packets are sorted by KiB/s and separated into S2C (Server → Client) and C2S (Client → Server) views, making it easy to identify which packet types consume the most bandwidth.

Perfect for debugging high-traffic issues, optimizing mod configurations, or just satisfying your curiosity about Minecraft's network protocol.

PacketDebug — 轻量级的 Minecraft 网络流量分析工具。

按 F6 打开实时 GUI，显示过去 30 秒内各数据包类型的流量统计。按 KiB/s 从大到小排序，分为 S2C（服务端→客户端） 和 C2S（客户端→服务端） 两栏显示，一目了然找出哪些数据包最占带宽。

适合排查高流量问题、优化模组配置，或单纯满足对 Minecraft 网络协议的好奇心。