Security & privacy

JWT Signature Verifier

Validate a JSON Web Token: HS256/384/512 signatures with the shared secret, RS, PS or ES 256/384/512 with a JWK, JWKS (selected by kid) or PEM public key, then check the dates with clock tolerance, and the expected issuer and audience.

Local processing · Fits its container · Updated without touching your code

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<div
  class="bethemesh-widget"
  data-tool="jwt-inspector"
  data-lang="en"
  data-theme="auto"
  data-min-height="760"
  data-max-height="1600"
  data-sandbox="allow-scripts allow-same-origin"
  data-allow="clipboard-write"
></div>
<script src="https://bethemesh.com/widgets/v1/bethemesh.js" async></script>
<p style="margin:6px 0 0;font:12px/1.4 system-ui,sans-serif">Free tool by <a href="https://bethemesh.com/en/tools/jwt-inspector">Bethemesh</a></p>

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.

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JWT Signature Verifier

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