JWT Decoder — Decode & Inspect JWT Tokens

Decode and inspect JWT tokens. View header, payload, claims, and expiration status.

JWT Token

Tips

  • JWT tokens are base64url-encoded, not encrypted — never put secrets in them
  • Check the exp claim to see if the token has expired
  • This tool only decodes tokens — it does not verify signatures
  • All decoding happens locally in your browser
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