How random are the results?

They come from your browser's cryptographically secure random number generator (crypto.getRandomValues) with rejection sampling to avoid bias. Math.random() is never used.

Are generated values stored anywhere?

No. They exist only on this page, are never sent to a server or written to storage, and are gone when you close or reload the tab.

How long should a password be?

With all character types, 16 characters is strong and 20 or more is excellent. Length matters more than symbols.

Password Generator - Free Online Tool

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Create strong random passwords with the length and character types you choose.