Passphrase Generator
Free online passphrase generator that runs entirely in your browser.
How the Passphrase Generator works
The Passphrase Generator works on Words, Separator, Capitalise words and shows the result as you type. The same input always gives the same answer — refresh the page and you will see exactly the same figure.
Formula used
Passphrase Generator is computed by the formula below, using the inputs you provide.
Inputs used: Words, Separator, Capitalise words.
Worked example
Take the default example — words of 1500, separator set to Dash, capitalise words set to yes:
- passphrase: Shot-Wine-Lord-Onto-Site-Most-Ever-Zero-Hunt-Came
- words: 10
- entropyBits: 91
Frequently asked questions
- Is the Passphrase Generator free?
- Yes. There is no signup, no usage limit and no watermark — the generator runs entirely in your browser.
- Does the Passphrase Generator store or send my data?
- No. Every calculation happens locally in the page, so the numbers you type are never uploaded or logged.
- Does it work on a phone and offline?
- Yes — the page is a single lightweight file that adapts to any screen size. Once it has loaded it keeps working without a network connection.
- What inputs does the Passphrase Generator need?
- Words, Separator, Capitalise words. Change any of them and the result updates instantly.