JWT Token Decoder

Decode, validate, and analyze JSON Web Tokens with advanced security features. Supports all major algorithms (HS256, RS256, ES256) with real-time validation and comprehensive security analysis. Built for developers who need reliable JWT debugging.

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🤔 What Is A JWT Decoder?

Think of a JWT token as a sealed envelope with a secret message - that's secure authentication data! Our decoder opens and validates these tokens instantly, showing you the hidden payload and verifying signatures with RS256, HS256, and more. Understand web security tokens like a developer, no cryptography degree needed!

Key Features

API Development

Debug authentication token payloads

Security Auditing

Inspect token claims and expiry

Debugging

Decode tokens during troubleshooting

OAuth Integration

Verify identity provider token format

Education

Learn JWT structure and security

Testing

Validate test environment auth tokens

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