Secret Generator

Generate strong random secrets (128 to 512 bits) in hex and Base64 for JWT signing, sessions and webhooks.

Strength

How many

Press “Generate secrets” to see the result.

How to use secret generator

1Enter your valuesFill in the fields — example values are already there to start from.

2Adjust the optionsChange the choices to match your situation. Results update as you type.

3Use the resultRead it, or copy it with the Copy button.

At least 256 bits (32 bytes) for HS256.

Yes. It uses the browser's secure random generator and nothing is sent anywhere.

No. Everything is worked out in your browser and nothing you type is sent to a server.