Calldata Decoder
Decode raw calldata hex into function names and parameters.
Calldata Decoder
Decode raw calldata hex into function names and parameters.
Paste any raw calldata hex string and instantly see the decoded function name, parameter types, and values. The decoder extracts the first 4 bytes as a function selector, looks it up against the abi-archive-trie signature database, and ABI-decodes the remaining bytes into human-readable parameters.
This is a read-only developer tool for inspecting on-chain data. It performs no transactions, has no wallet integration, and involves no cryptocurrency transfers or payments.
How to use: Paste a hex string starting with 0x (minimum 4 bytes / 10 characters) into the input above and press Decode.