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JWT Validation

JWT Validator

Validate and inspect JWT tokens. Verify JWT signatures, check expiration, and inspect token contents with detailed analysis and security checks.

JWT Token Input
Enter the JWT token you want to validate and inspect
About JWT Validation

What is JWT Validation?

JWT validation involves checking the token structure, verifying signatures, and validating claims to ensure the token is legitimate and secure.

Validation Checks

  • • Token structure and format
  • • Header and payload parsing
  • • Expiration time validation
  • • Not-before time validation
  • • Algorithm security checks
  • • Sensitive data detection

Security Features

  • • Algorithm validation
  • • Key ID inspection
  • • Claim analysis
  • • Security warnings