Keccak Hash Generator
Generate Keccak-224, Keccak-256, Keccak-384, and Keccak-512 hashes online. The cryptographic foundation of SHA-3.
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Keccak: The Foundation of SHA-3
Keccak is a versatile cryptographic primitive family that won the NIST hash function competition in 2012, becoming the basis for the SHA-3 standard. While SHA-3 is derived from Keccak, there are slight differences in the padding parameters.
This tool generates the original Keccak hashes, which are often used in the Ethereum ecosystem (specifically Keccak-256) and other legacy applications that adopted Keccak before the final SHA-3 standardization.
Keccak vs. SHA-3
Although they share the same internal sponge construction, the padding scheme differs. If you are working with Ethereum smart contracts or addresses, you likely need this Keccak-256 generator, not the standard SHA3-256.
- Ethereum: Uses Keccak-256.
- Standard Compliance: Use SHA-3 for FIPS 202 compliance.