Passphrase & password
Uses crypto.getRandomValues—nothing is sent to a server. Pick a random character password or a hyphen-separated word passphrase.
More utility tools: BuildUtilities (opens in new tab)
Character sets
~2,000-word list · more words = more entropy. Rough estimate shown below (ideal uniform draw).
How to use. Switch Password vs Passphrase, tune length and character/word options, then Generate. Copy grabs the latest result—random bytes never leave your browser.