EthTools is a selection of various tools that I have built whilst developing software on the Ethereum blockchain over the years.
Quickly concert between Ethereum currency units (ether, gwei, wei, finney, szabo).
Notarize a document on the Ethereum blockchain to verify the authenticity of its contents at a specific point in time.
Calculate the Namehash, Labelhash, and Node hash for a particular Ethereum Name Service (ENS) domain.
Lookup the owner and registrant of a particular Ethereum Name Service (ENS) domain.
Sign a message using your Ethereum account.
Sign a message using your Ethereum account where each input to the signature is named and typed.
Generate (and share) interface IDs for standard interface detection (EIP165).
A searchable database of ERC165 Interface IDs
Connect an Ethereum account and test a smart contracts functionality directly in your browser using a predefined ABI.