Algorithm reference
SHA3-256 hash calculator
SHA3-256 is a standardized SHA-3 digest based on Keccak.
Modern
256-bit output
64 hex characters
Digest calculator
Text to hash
Never enter a real account password or any other secret. Submitted text is processed by the server, but never placed in the URL, logs, analytics, or ads.
Practical guidance
About SHA3-256
Modern integrity and cryptographic protocols that specify SHA-3.
Collision resistance
No practical collision is publicly known for the full algorithm.
Examples
Use SHA3-256
Command line
printf %s "hello" | openssl dgst -sha3-256Go
sum := sha3.Sum256([]byte("hello")); fmt.Printf("%x\n", sum)Python
hashlib.sha3_256(b"hello").hexdigest()JavaScript / browser
SHA-3 is not currently part of the widely deployed WebCrypto digest set.