Security Tool
JWT Decoder
Decode and inspect JSON Web Tokens (JWT) instantly. View header, payload, and signature.
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JWT Token
About JWT
JSON Web Tokens (JWT) consist of three parts:
- •Header: Contains token type and signing algorithm
- •Payload: Contains claims (user data)
- •Signature: Verifies token authenticity
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🔒 Security Note
- All decoding happens in your browser
- No data is sent to any server
- 100% secure and private