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HMAC Generator

Compute HMAC-SHA256, HMAC-SHA384 or HMAC-SHA512 for UTF-8 text and a key.

Nel browser · Senza registrazione

The key is interpreted as UTF-8 text, not hex or Base64. The message and key remain in the browser.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

Come si usa

  1. Compute HMAC-SHA256, HMAC-SHA384 or HMAC-SHA512 for UTF-8 text and a key.
  2. Choose the mode or options, then run the tool.
  3. Review the result, then copy or download the TXT file.

Esempio

HMAC-SHA256("key", "The quick brown fox jumps over the lazy dog") → f7bc83f4…

Dettagli e limiti

Text stays in your browser; it is not sent to a conversion server.

Riferimenti

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