ArcanaTools

JWT Decoder

Decode and inspect JSON Web Tokens (JWTs) without verification.

JWT Token
Paste your JWT token to decode

About JWT Tokens

Features

  • Instant Decoding: Decode JWTs as you type
  • Expiration Check: Automatic validation of exp claim
  • Claim Translation: Human-readable claim names
  • Timestamp Conversion: Convert Unix timestamps to dates

Security Note

  • No Verification: This tool only decodes, it does not verify signatures
  • Client-Side: All decoding happens in your browser
  • Privacy: Your tokens are never sent to any server

What is a JWT?

JSON Web Token (JWT) is an open standard for securely transmitting information between parties as a JSON object. JWTs consist of three parts: a header, a payload, and a signature, separated by dots.

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