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Human-friendly secret · 02
Random words. Real entropy. Easier to type.
Create a passphrase from independently selected words when a secret must be entered or remembered by a person. Every word is chosen locally with cryptographic randomness.
Generated locallyCryptographic randomNo history
Passphrase generator● Web Crypto ready
The estimate is based on independent selections from this generator's word list.
No saved history
Results are never written to cookies, local storage, session storage, or a database.
Fair random selection
Rejection sampling removes modulo bias before values are mapped to characters or words.
A passphrase is useful when humans must handle the secret.
A random password is excellent for a password manager. A random passphrase is often better for a master password, encrypted drive, device login, or another credential you must occasionally type yourself.
Practical advice: Start with six words. Adding genuinely random words matters more than inserting predictable substitutions.
Random words, not a favorite quotation
A sentence, lyric, address, pet name, or familiar phrase may be long but is not random. Attackers test common phrases and personal information. This tool selects each word independently.
Separators and capitals are formatting
Treat formatting as compatibility and readability, not the main source of strength. Word count is the primary control. Add another random word when you need more margin.
Where passphrases do not belong
Do not replace unique manager-generated passwords with one memorable passphrase reused everywhere. A passphrase should still be unique to its purpose.
FAQ
Before you use the result.
How many words should a passphrase have?
Six independently selected words are a sensible default for many personal uses. Higher-risk or long-lived secrets may justify more words.
Is a passphrase stronger than a password?
It depends on how each is generated. A long random password can have more entropy, while a random passphrase is easier to enter. Both should be unique.
Are the words sent to a server?
No. Word selection happens locally in your browser and the result is not stored by this site.