TCP Flag Decoder – Visualize and Understand TCP Flags Instantly

TCP Flag Decoder

The TCP Flag Decoder is a free, instant-use tool for network professionals to decode TCP flags from binary or hexadecimal input. Whether you’re dissecting Wireshark captures, reviewing firewall logs, or studying TCP internals, this tool helps you interpret data like SYN, ACK, RST, and other flags easily.

Features

  • Supports 8-bit binary (e.g., 00010010) or hex input (e.g., 0x12)
  • Highlights all active flags in a readable format
  • Client-side processing – No data logged 🚫
  • Includes 🌙 dark mode toggle and mobile-friendly design

Quick Access

👉 Launch TCP Flag Decoder

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