JWT Parser
Decode and inspect JWT tokens online — view header, payload, signature and verify expiration
About JWT Parser
JWT (JSON Web Token) is the most popular identity authentication token format in modern web applications. When debugging APIs or troubleshooting authentication issues, developers often need to decode JWTs to inspect their contents. This tool decodes and displays the Header, Payload, and Signature of JWTs beautifully, automatically verifying expiration time with green/red status indicators. All parsing happens locally in your browser — your tokens are never sent to any server.