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Decodificador JWT

Inspecciona tokens

Sobre esta herramienta

Decode JSON Web Tokens to inspect their header and payload. Useful for debugging auth and API integrations. Decoding happens locally.

Características

  • Decode header and payload
  • Highlights expiry, issuer and audience
  • Verifies signature with HMAC secret (optional)
  • Browser-only

Cómo usarla

  1. Paste a JWT.
  2. Read the decoded header and payload.
🔒 100% privado

Todo sucede dentro de tu navegador usando JavaScript y WebAssembly. Tus archivos nunca se suben a un servidor, nunca se almacenan y nosotros nunca los vemos.

Preguntas frecuentes

Is decoding sensitive?

Decoding doesn't reveal anything secret - JWT payloads are just Base64. Don't paste production tokens into untrusted tools.