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ETH Calldata Decoder

ABI Tools

ETH Calldata Decoder

UI to easily decode Ethereum calldata with contract address, custom ABI or no ABI.

Free, Open-source

What is ETH Calldata Decoder?

While debugging smart contracts it can be tricky to quickly decode transaction calldata into a human read-able form. This tool can decode calldata by automatically fetching the ABI or guessing the function even if the contract is not verified.

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What is an ABI of a Smart Contract?