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Decoder · no contract loaded

Decode calldata and events

Paste raw calldata or a transaction hash. Matches come from verified ABIs first, then public signature databases, each with its confidence.
01

Function call

Raw calldata, matched to a verified ABI first, then signature databases.

0 bytesSelector0x________

Paste hex, starting with the 4-byte selector

With an address, its verified ABI is tried before public signature databases

02

Event logs

Every log in a transaction, or logs pasted as JSON.

0/64 hex · 0x + 64 hex digits

ResultIdle

Nothing decoded yet

Paste calldata or a transaction hash on the left. The result shows each matching signature with its confidence and source, the typed arguments, and a byte ruler that maps every 32-byte word to its argument.

1
Verified ABI
2
Signature DB
3
Byte ruler
4
Raw kept