JWT Generator
Build and sign JWTs (HS256/384/512) with a simple form.
JWT Generator
Quickly sign HS256/384/512 tokens for local testing.
HS256exp: 60m
Payload (JSON)
Edit claims and regenerate to see the updated token.
Add any custom claims your API expects (for example sub, role, email).
Generated JWT
HS256/384/512 signed token. Copy and paste into your API client or app config.
Fill in the options on the right and click Generate to create a JWT.
JWT options
Algorithm, secret key, and payload claims.
Algorithm
Secret key
Use a long, random string. Avoid production secrets.
Standard claims
Expires inminutes
Set to 0 or leave empty for no exp claim.
Security reminder
This tool is best for testing and local development. Avoid pasting production secrets or live tokens.