Creates SHA-512 (128 hex chars) from text — all in your browser
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SHA-512 is the 512-bit variant of the SHA-2 family and produces 128 hex characters. On 64-bit CPUs it is often faster than SHA-256 and is used in highly security-relevant applications like HMAC, password derivation and long-term archiving.
SHA-512 provides double the hash length compared to SHA-256 — the security margin against brute-force and collision attacks is correspondingly higher. It is FIPS-certified and part of all modern crypto libraries (OpenSSL, Bouncy Castle, Web Crypto API).