JWT Decoder

JWT Decoder

Decode and inspect JSON Web Tokens (JWT) instantly with header and payload analysis, claim validation, and security-focused design. Perfect for debugging authentication, API development, and security auditing with comprehensive error handling and example tokens.

jwt
json
token
Example JWT Tokens
Try these example JWT tokens to see the decoding process
1JWT Token Input
Enter your JWT token to decode header and payload information
Security Note: This tool only decodes JWT tokens locally in your browser. No data is sent to external servers. Signature verification requires the secret key and is not performed.
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Everything you need to know about using JWT Decoder effectively

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