Password Generator
Instantly generate secure, random passwords on LeetTools.dev. Create strong, unique passwords locally in your browser.
LeetTools · Generators
Create strong passwords, memorable passphrases, and unique usernames locally in the browser.
Get the job done
Instantly generate secure, random passwords on LeetTools.dev. Create strong, unique passwords locally in your browser.
Generate memorable, high-entropy passphrases based on the XKCD method. Secure, random, and easy to remember.
Generate creative, cool, and anonymous usernames for games, social media, and developer accounts.
Generate UUID v4 (random) and v7 (time-ordered) locally in your browser. Batch copy, formatting options, no server.
Solve a specific problem
Learn what actually makes a password strong—length, randomness, and uniqueness—and generate one locally with the LeetTools Password Generator.
Compare passphrases and passwords by entropy, memorability, and where each fits. Decide based on how the credential will be stored and typed.
Create a memorable passphrase from random words, generated locally in your browser. Learn how word count, capitalization, and separators affect strength.
Choose a username that keeps your accounts separate. Learn how names, birth years, and repeated handles reveal identity, and generate random ones locally.