Security & privacy
HMAC Generator and Verifier
Compute the HMAC of a message with a secret key, in hex or Base64, and compare it with an expected signature (sha256= prefix accepted) to verify a GitHub, Stripe or Shopify webhook.
Local processing · Fits its container · Updated without touching your code
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The documentation details the options, themes, sizes and the integration in each CMS. The code works in an HTML page, WordPress, Webflow, Wix, React, Vue or Astro.