Tool4SaaS

Random Passphrase

Generate a secure random passphrase from a curated 120-word list using cryptographically secure shuffling. Choose 1–. 100% private and offline.

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About the author

Written and maintained by the Tool4SaaS team. Every tool runs locally in your browser and is tested in-house for accuracy. Last updated: .

Frequently asked questions

Uses crypto.getRandomValues with rejection sampling for unbiased Fisher–Yates shuffling.

Entropy ≈ log2(120^4) ≈ 27.6 bits. Use 6–7 words for ~48 bits or combine with a generator.

Yes, it is free, works offline in your browser, and your data never leaves your device.

How to use Random Passphrase

  1. Set count: Choose 1–7 words.
  2. Generate: Click Generate passphrase.
  3. Copy: Copy and store securely in your password manager.