JWT Token Generator
Build JSON Web Tokens with custom headers, payloads, and claims.
100% private — nothing is sent to any server
Header
Payload
Quick-add standard claims:
Expiry preset:
or pick date:
Secret / Key
For educational and testing purposes only. This tool generates unsigned tokens (the signature field is left empty or set to a placeholder). Real JWT signing requires a secure server-side environment. Never use tokens from this tool in production authentication systems.
Generated Token
Header
Payload
Signature
Your token will appear here…