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SHA3-256 Hash Generator

Generate SHA3-256 (Keccak) cryptographic hash online.

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SHA3-256 Hash (64 characters)

What is SHA3-256?

SHA3-256 is the 256-bit member of the SHA-3 family standardized by NIST. Built on the sponge function Keccak, it offers robust security against length-extension attacks.

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function genHash(){const t=document.getElementById('inputText').value;document.getElementById('outputText').value=t?sha3_256(t):'';}function copyResult(){const t=document.getElementById('outputText').value;if(!t)return;navigator.clipboard.writeText(t).then(()=>{document.getElementById('copyBtnText').textContent='Copied!';setTimeout(()=>document.getElementById('copyBtnText').textContent='Copy',2000);});}