يوت Decoder
Decode and analyze JWT tokens
⚠️ Importante
Esta herramienta solo DECODIFICA el JWT (no lo verifica). Los JWT están codificados en Base64, NO encriptados.
Nunca compartas JWTs que contengan información sensible. Cualquiera puede leer el contenido de un JWT.
La verificación de la firma debe hacerse en el servidor usando la clave secreta.
💡 Acerca de JWT
JWT (JSON Web Token) es un estándar abierto (RFC 7519) para transmitir información de forma segura como un objeto JSON.
Estructura: Header.Payload.Signature - Tres partes codificadas en Base64 separadas por puntos.
Usos comunes: Autenticación, autorización, intercambio seguro de información entre sistemas.
JWT Decoder is a powerful online tool designed to help you decode and analyze JWT tokens to inspect headers, payloads, and signatures. Whether you are a developer, security professional, or API integrator, this tool provides instant results without requiring any software installation or registration.
Características Principales
Decode JWT tokens into three components
Parse header, payload, and signature separately
Display expiration status and claims
Format dates from Unix timestamps
Identify token algorithm and type
Highlight security information
How to Use JWT Decoder
Paste JWT Token
Copy your JWT token and paste it into the input field
Click Decode Button
Click the decode button to parse your token
Review Header
Check the token algorithm and type information in the header section
Analyze Payload
View all claims including expiration, issuance, and subject information
Check Signature
Review the signature and verify expiration status
Casos de Uso
Debugging JWT token issues in authentication
Inspecting token claims and expiration
Analyzing user information in tokens
Security auditing of token structure
Preguntas Frecuentes
What is the main purpose of this tool?
This tool helps you decode and analyze JWT tokens to inspect headers, payloads, and signatures.
Is this tool free to use?
Yes, this tool is completely free and requires no registration, login, or subscription.
Do I need to download or install anything?
No, this is a web-based tool that works directly in your browser. No downloads or installations are required.
Is my data secure and private?
Yes, all processing is done locally in your browser. Your data is never sent to external servers, ensuring complete privacy.
What browsers are supported?
This tool works on all modern browsers including Chrome, Firefox, Safari, and Edge.
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