Ethereum utilities
Tools
Calldata Decoder/Encoder
Encode function calls and inspect nested Ethereum calldata.
Converter
Convert Ethereum units and number bases, hash inputs, pad bytes, and format addresses.
Constants
Copy common Ethereum and Solidity constants nice and easy.
ERC-7201
Calculate a namespaced storage slot and generate its Solidity declaration.
Character Counter
Count characters in your text or just the part you select.
Unix Timestamp Converter
Convert timestamps and dates, or calculate a time from now or a chosen timestamp.