Is the Passphrase free to use?

Yes, the Passphrase is completely free. There is no sign-up, no account required, and no limit on how often you can use it.

Are the values from the Passphrase truly random?

The Passphrase uses your browser's cryptographically secure random number generator (Web Crypto API), the same standard used for password and security applications.

What devices does the Passphrase work on?

The Passphrase works on any device with a modern web browser — desktop, laptop, tablet, or phone. It is mobile-friendly and works offline once the page has loaded.

⚡ Generators

Passphrase Generator

Generate memorable passphrases — 3 to 5 random words with optional numbers. Much more secure and easier to remember than random characters. Free.

The Passphrase is a free online tool that helps you generate memorable passphrases — 3 to 5 random words with optional numbers. much more secure and easier to remember than random characters. free It runs in your browser with no sign-up, downloads, or installation needed. All processing happens locally — your data stays on your device.

Words

Separator

Capitalise

Add number Add symbol

Why passphrases? "correct-horse-battery-staple" has ~44 bits of entropy — much more than "P@ssw0rd" (28 bits). They are easier to remember and harder to crack. 4 words is the recommended minimum for most accounts.

How to use

Passphrase security

A passphrase is simply multiple random words combined. The randomness comes from the word selection, not from mixing symbols. Each additional word multiplies the strength: 3 words ≈ 33 bits, 4 words ≈ 44 bits, 5 words ≈ 55 bits. 44+ bits is considered strong.

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