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Password generator

Add character groups and decide where and how often each one appears. Generation uses the browser's cryptographic randomness.

Privacy ledger

Data acquired	None.
Libraries used	Lit 3 — bundled into the tool file itself.
Data stored	Browser localStorage only, keys `uuutil.password-generator.v1` and `uuutil.password-generator.configs.v1` — your configuration and your named configurations, saved only when you press Save. The configuration download is a plain local file save. Passwords are never stored.
Data transmitted	None.

Use it on your own page

Download the tool as a single self-contained HTML file: readable source with the Lit library included, zero network requests — it works opened straight from your disk, and you can customize everything.

Download as HTML file

Prefer the hosted widget? One script tag embeds it and stays up to date:

<script type="module" src="https://uuutil.com/tools/password-generator.js"></script>
<uu-password-generator lang="en"></uu-password-generator>

Source license: MIT — free to use, modify and redistribute; keep the license notice in copies.