Is Passphrase Generator free?

Yes, Passphrase Generator is completely free to use with no signup required.

Does Passphrase Generator send my data to a server?

No. Passphrase Generator runs entirely in your browser using client-side JavaScript. Your data never leaves your device.

Generate cryptographically secure random passphrases client-side. Choose word count and separators to estimate entropy.

DevTab

Never leaves your browser

Generate cryptographically secure Diceware passphrases with custom separators client-side.

Word Count4 words

Word Separator

Capitalization

Append Random Numbers

Generated Passphrase

Copyable String

Entropy StrengthModerate

32 bits of entropy

Error generating passphraseEntropy: 32 bits | Strength: Moderate