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JWT Decoder & Encoder

Decode, inspect and encode JSON Web Tokens instantly in your browser. View header, payload and claims. 100% client-side.

Paste a JWT below that you'd like to decode, validate, and verify.
Generate example
Encoded Token
>_ JSON Web Token (JWT)
🔐

Paste a JWT on the left

Header, payload and signature will appear here

How to jwt decoder

  1. 1

    Paste your JWT token.

  2. 2

    Header and payload decode automatically.

  3. 3

    Switch to Encoder to build a new token.

Frequently asked questions

Is my JWT safe to paste here?▾

Yes. Everything runs in your browser. Your token is never sent to any server.

Can this verify JWT signatures?▾

Signature verification requires a secret key server-side. This tool decodes and displays contents only.

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