JWT

Decode and inspect JWTs, or encode new tokens — entirely in your browser.

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Header · Payload · Signature

Paste a JWT token here…

Header

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Payload

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Signature Not verified

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HMAC (HS256/384/512) uses a shared secret · RSA & ECDSA (RS/PS/ES) verify with a public key

Algorithm

Header

Payload

Secret

Generated Token

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Token will appear here…

RS/ES/PS signing requires private keys and is not supported in this browser-only tool.