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ABI Encoder

v1.0.1

Encode Ethereum ABI data for Solidity function calls with parameter breakdown.

Encodes and decodes Ethereum ABI function calls and return values, letting you inspect or construct raw contract call data.

How to use
  • Paste your contract ABI JSON, then select a function from the dropdown.
  • Enter argument values in the fields provided and click Encode.
  • Use Decode mode to reverse-engineer raw hex calldata into readable parameters.

Signature: transfer(address,uint256)

Parameters
Encoded Data
0x0000000000000000000000001234567890abcdef1234567890abcdef123456780000000000000000000000000000000000000000000000000de0b6b3a7640000
Encoding Breakdown
TypeValueHex
address0x1234567890abcdef1234567890abcdef1234567800000000000000000000000012345678
uint256100000000000000000000000000000000000000000000000000