About JWT Parser & Generator Tool

Our JWT (JSON Web Token) Parser & Generator is a comprehensive online tool for working with JWT tokens. JWT is an industry-standard method for securely transmitting information between parties as a JSON object. This tool provides both parsing capabilities to decode existing tokens and generation features to create new ones.

Key Features

• JWT Parsing: Decode and analyze JWT tokens to view header, payload, and signature
• JWT Generation: Create new JWT tokens with custom header and payload
• HMAC-SHA256 Signing: Secure token signing using industry-standard algorithms
• Timestamp Analysis: Automatic conversion of Unix timestamps to readable dates
• Real-time Validation: Instant validation of JWT structure and JSON format
• Copy to Clipboard: Easy copying of parsed results or generated tokens
• Dual Mode Interface: Switch between parsing and generation modes seamlessly

Common Use Cases

• API authentication and authorization
• Single Sign-On (SSO) implementations
• Microservices communication
• Mobile app authentication
• OAuth 2.0 and OpenID Connect flows
• Debugging authentication issues
• Token expiration analysis
• Security testing and penetration testing

This tool is essential for developers working with modern authentication systems, API security, and web application development. It supports standard JWT structure with Base64URL encoding and provides detailed insights into token contents and security parameters.