Passphrase Generator - Create Strong Memorable Passphrases Free
Generate memorable, high-entropy passphrases from random words. Free, private, runs in your browser.
Tool Interface
Passphrase Generator
Memorable, high-entropy passphrases made of random words. Ideal for master passwords and anything you type often.
Need a random string instead? Use the Password Generator. Unsure which to pick? Read passphrase vs password.
Private by design: words are picked with your browser's cryptographic random generator. Nothing is sent anywhere, stored, or logged.
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About This Tool
About This Tool
The Passphrase Generator creates strong, memorable passwords made of truly random words, like timber temple pedal silver summit. Passphrases are ideal for the few secrets you must memorize and type often: your password manager master password, laptop login, or email account. Words are selected with your browser cryptographic random generator, and everything runs locally, so nothing is ever sent anywhere, stored, or logged.
Key Features
- Random word selection from a 466-word list using cryptographic randomness, not guessable patterns
- Choose 3 to 8 words per passphrase
- Separator options: space, hyphen, period, or none
- Optional capitalization and random digit for sites with complexity rules
- Live entropy measurement and estimated crack time for every passphrase
- One-click copy to clipboard
- 100 percent client-side: nothing leaves your browser
How to Use
- Choose how many words you want (5 is a strong default).
- Pick a separator and any extras you need.
- Click Generate passphrase, or press it again for a fresh one.
- Copy the result and save it in your password manager.