Packet AnalysisLOCALRuns in your browser
Ethernet Frame Decoder
Decode Ethernet II headers and stacked 802.1Q/802.1ad VLAN tags from hex, locally in the browser.
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
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How it works
Paste an Ethernet frame without the preamble or FCS. The decoder reads destination/source MAC addresses, stacked VLAN tags, EtherType, and the remaining payload. It does not infer whether a trailing four-byte value is an FCS or verify it.