JWT Token Decoder & Validator

Security Notice

This tool only decodes JWT tokens client-side. It does not verify signatures or validate tokens against a server. Never paste sensitive or production tokens into online tools.

Features:

• Client-side JWT token decoding without verification
• Advanced validation with security scoring
• Multiple sample tokens for testing
• Export analysis results to JSON
• Real-time token analysis and validation
• Token history tracking
• Raw and decoded view modes