ToolBirch

Passphrase Generator

Memorable multi-word passphrases from crypto randomness.Generators

Passphrase Generator

Memorable multi-word passphrases from a 500-word list with crypto-grade randomness. Four words ≈ 36 bits, six ≈ 55 bits.

About this tool

Three to eight words from a 500-word list, joined with hyphens and drawn with crypto-grade randomness. Four words give about 36 bits, six about 55 — memorable and strong.

How to use the Passphrase Generator tool

  1. Choose the word count. 3 to 8 words per passphrase.
  2. Generate a batch. One, five or ten at a time.
  3. Copy and use. Hyphen-joined, easy to type and remember.

Supported formats

Input

  • Plain text or file input

Output

  • Converted or analysed output

Inputs are validated before anything is processed. Invalid values and unsupported files are rejected with a clear error instead of failing silently.

Frequently asked questions

How strong is a 4-word passphrase?

About 36 bits from this 500-word list — good for devices, use 5 or 6 words for accounts.

Why hyphens?

They aid typing and memorability; entropy comes from the word choice.

Is the word list public?

Yes, and that is fine: security comes from randomness, not secrecy of the list.

Privacy

Everything you enter stays in this browser tab. There is no upload endpoint for tool inputs, no account, and no server-side copy of your text or files. Results are produced locally and disappear when you close the page.

No account is required and no file is ever uploaded. See the privacy policy for details about analytics and the limited data this site stores.

Known limitations

  • No numbered suffixes or substitution modes.

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