# JWT Token Debugger

Decode, inspect, and verify JSON Web Tokens (JWT) online directly in your browser with zero server uploads.

## URL
https://codeasystem.com/tools/developer/jwt-debugger/

## Features
- Instant Base64URL header and payload decoding
- Formatted JSON output for header and payload data
- Real-time expiration (`exp`), issued-at (`iat`), and not-before (`nbf`) status detection
- HMAC-SHA256 signature verification with custom secret keys using WebCrypto
- 100% browser-based processing (zero server uploads or telemetry)

## Privacy
All processing happens directly in your browser using client-side JavaScript and native WebCrypto. Your JWT tokens and secret keys are never uploaded to any server or third-party service.