SanchitGurukul Networking Tools
TCP Flag Decoder
Decode decimal, hexadecimal, binary, or named TCP flags and build a flag value by selecting individual control bits.
Decode a flag value
Accepted formats: decimal, hexadecimal, binary, or flag names separated by spaces, commas, plus signs, or pipes.
Build a value
Decoded result
Decimal18
Hexadecimal0x12
Binary (9-bit)000010010
Active flags
SYN, ACK
SYN-ACK: acknowledges a connection request and synchronizes sequence numbers.
| Flag | Bit | Status | Meaning |
|---|
Common TCP flag combinations
Privacy: values are processed only in your browser. Nothing is transmitted or saved.
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