JWT Decoder

Decodes JWT header and payload.

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Result

Header

{ "alg": "HS256", "typ": "JWT" }

Payload

{ "sub": "1234567890", "name": "John Doe", "iat": 1516239022 }

Algorithm

HS256

JWT Decoder — How It Works

Decodes JWT header and payload. Try the live JWT Decoder — all processing runs locally in your browser.

Enter your input in the fields provided. Results update instantly as you type or paste.

Double-check input format (JSON, CSV, etc.) before relying on output in production.
For sensitive data (JWT tokens, passwords), nothing is sent to a server — processing is client-side only.

Yes. ToolsNextHub developer utilities are free and require no account.

No. Input is processed locally for privacy.