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 many words do I need?

Five words is a reasonable minimum for an online account. Use six or more for anything protecting other secrets, such as a password manager.

Passphrase Generator - Free Online Tool

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Generate memorable multi-word passphrases with real, measurable strength.