Why use a passphrase instead of a random password?

A 5-word passphrase from a 200-word list has roughly 38 bits of entropy — yet is far easier to remember and type than 8 random characters. The classic XKCD 936 comic explains the idea.

How random is the word selection?

Each word is picked with crypto.getRandomValues using rejection sampling to avoid modulo bias. The same CSPRNG that powers TLS in your browser.

Can I add my own wordlist?

Not in this version. The built-in list of common English words is curated to be memorable. For a custom list, the underlying approach is identical — pick N words uniformly at random.

How many words do I need?

For most logins, 5–6 words from a 200-word list is comparable to a 12-character random password. Use more if the passphrase protects something especially valuable.

Are spaces safe to use?

Yes — most sites accept spaces in passwords. If a particular site disallows them, switch the separator to a hyphen or underscore.

Passphrase Generator

Memorable multi-word passphrases — easier to type, harder to crack.

100% private — no uploads Security & Crypto ToolsFree & unlimited Read tutorial

See how it works

Watch a quick simulation of this tool in action — no file needed.

How to use Passphrase Generator

Follow these steps — everything happens instantly in your browser.

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Step 1. Pick how many words to use (4–10).
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Step 2. Choose a separator (hyphen, dot, space, underscore) and whether to capitalize each word.
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Step 3. Click “Generate new” to roll a fresh passphrase.
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Step 4. Copy it into your password manager or use it as a master password.