Method
crypto.getRandomValues() over a Uint8Array of the requested size.
Generate cryptographically random bytes in-browser and return hex + Base64URL.
crypto.getRandomValues() over a Uint8Array of the requested size.
Use the result as a transparent planning estimate. Change one assumption at a time, compare scenarios and move to Toolkit when you need system-level simulation.
Store secrets in an appropriate secret manager; generating a token is not a credential policy.
Your inputs are processed in this browser. This utility does not need an account, database or AI API.