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JWT Generator

DEVFREE · NO SIGNUP

Generate JSON Web Tokens with a secret

JWT Generator builds a signed JSON Web Token from your payload and secret. Everything is computed in your browser, so your secret never leaves your device.

How to use JWT Generator

  1. 01Enter the payload claims.
  2. 02Provide your signing secret and algorithm.
  3. 03Copy the generated token.

Frequently asked questions

Is my secret sent to a server?
No. Signing runs locally in your browser, so the secret stays on your device.
Which algorithms are supported?
Common HMAC algorithms such as HS256 are available.
Can I add custom claims?
Yes. Include any claims your application needs in the payload.
Is it free?
Yes, free with no sign-up.
● client-side● no upload● privacy-safe
dev › jwt-generate