String to Keccak256 Hash

Generate Keccak256 hashes using Ethereum's standard hashing algorithm. Essential for smart contract development and Web3 applications.

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Input String

Length: 0 characters

About Keccak256

Keccak-256 is a cryptographic hash function that is part of the SHA-3 family. It is widely used in Ethereum and other blockchain platforms as the standard hashing algorithm.

Ethereum Usage

  • Function selector hashing
  • Event signature hashing
  • Address generation
  • Merkle tree construction

Key Features

  • 256-bit output length
  • Ethereum standard
  • Used in Solidity
  • Web3 compatible

Example

Input:hello
Output:0x1c8aff950685c2ed4bc3174f3472287b56d9517b9c948127319a09a7a36deac8

Solidity Example:

bytes32 hash = keccak256(abi.encodePacked("hello"));