Calldata & EIP-712 Decoder

Decode EVM calldata into a readable function call, or parse EIP-712 typed data and compute its type hash, domain separator, and signing digest. Recognises USDC, EURC, PYUSD, USDT and other payment stablecoins by contract and shows real amounts. All keccak-256 hashing runs in your browser — nothing is sent anywhere.

Follows Solidity contract ABI specification · EIP-55 · EIP-712 · EIP-3009·verified Oct 2026· double-checked Oct 2026— decoding cross-checked against ethers v6, including truncated data, tuples and fixed-size arrays