JWT Decoder

Inspect JWT claims and expiration instantly

ConvertersFreeNo Signup
4.8(665 reviews)
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About JWT Decoder

Decode any JSON Web Token (JWT) to inspect its header (algorithm, type), payload (claims, subject, issuer), and signature. Automatically checks token expiration, calculates time since issuance, and displays all fields in a formatted, color-coded view. No secret key needed for decoding.

JWT Decoder Features

  • Header/payload/signature decode
  • Expiration status check
  • Copy decoded claims
  • 100% private and client-side processing
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