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Packet AnalysisLOCALRuns in your browser

DHCP Option Decoder

Decode a DHCPv4 option sequence with strict option lengths, pad/end handling, and common values.

This tool handles input and primary processing in your browser and is designed not to send the input to QuickKit’s server.

Decoded fields

Remaining payload

How it works

Paste DHCPv4 options with or without the 0x63825363 magic cookie. Pad and End are handled explicitly and each length is checked before reading data. Common IPv4, timer, message-type, and text options are formatted; unknown options stay raw hex. Option overload into BOOTP fields is outside this options-only input.