Passwords & security ● Local processing

Random Secret Generator

Create random tokens and secrets with the Web Crypto API.

Preparing tool…
Guided walkthrough

Guided walkthrough

Create a random secret candidate.

  1. Choose a length from 8 to 256 characters.
  2. Only when ready, use the tool’s generate button to create fresh, unpredictable values. Check the chosen options and keep any real secret private.

Illustrative example

Length 32 produces 32 selections from letters, digits, hyphen, and underscore.

How to read the result

Check the target system’s format and strength requirements. A candidate is not automatically installed, stored, or rotated in any application.

This is a static educational walkthrough. It does not fill fields, generate values, inspect your browser, or read storage. Use fictitious, non-secret data for practice. Never share passwords, keys, tokens, or cookie values. These explanations are not a security audit or certification.

✓ Local processing✓ No account✓ Inputs processed here✓ Free

Quick answer

Generate a random token or secret of a chosen length in the browser. The tool does not register the value with any service.

The page and its assets load from the site; this operation uses your entered values only in this browser and does not send them to a calculation endpoint.

How to use it

Choose a length from 8 to 256 characters and generate a random secret from letters, digits, hyphen, and underscore. Check the receiving system’s requirements, then store the secret in a secure vault.

Limits

The result is not registered with a service, and its length or alphabet may not match that service’s requirements. Use a unique secret and store it securely.

Frequently asked questions

Does a generated secret work as an API key automatically?

No. A provider must accept, register, and assign permissions to a key. Check its format and setup instructions first.

Where should I store a secret?

Use a secure secret manager and limit access to the systems and people that need it. Do not put it in source code or public logs.

What characters can the generated secret contain?

It uses uppercase and lowercase letters, digits, hyphen, and underscore. The length is 8 to 256 characters.

Will every service accept this secret?

No. This page does not validate a service’s required length or format, or register the result. Check the service instructions before using it.

Sources and references

These references document the cited standard or browser API; they do not validate the tool’s output.