JWT Sign
Sign JSON Web Tokens (JWT) with various algorithms including HMAC and RSA for secure authentication.
How It Works
Configure Token Payload
Enter your JWT header and payload data, including claims like user ID, expiration time, and custom fields.
Choose Signing Algorithm
Select the signing algorithm (HS256, RS256, etc.) and provide the appropriate secret key or private key.
Generate Signed JWT
The tool creates a cryptographically signed JWT token that you can use for authentication and authorization.
Frequently Asked Questions
What is a JWT and why sign it?
Which signing algorithm should I use?
Is my secret key secure?
What claims should I include?
How long should a JWT be valid?
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