JWT Decoder & Analyzer
Decode and analyze JWT (JSON Web Tokens) to inspect headers, payload claims, and expiration details. Perfect for developers debugging authentication and authorization systems.
JWT Token Input
Security Notice
Client-Side Decoding: This tool decodes JWTs entirely in your browser. No tokens are sent to any server.
Signature Verification: This tool only decodes JWTs but does not verify signatures. Use appropriate libraries in your application for signature verification.
Sensitive Data: Be cautious when decoding tokens containing sensitive information in shared or public environments.