How-to
How to Create a Strong Password
Learn what actually makes a password strong—length, randomness, and uniqueness—and generate one locally with the LeetTools Password Generator.
Read guidePassword Generator
Generate passwords locally with cryptographic randomness. Choose length and character sets, and see a conservative entropy estimate.
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What This Tool Generates
Generate random passwords with configurable length and character sets directly in the browser. This tool is intended for creating new credentials rather than evaluating existing passwords.
Use it for account sign-ups, password resets, or admin credentials. Adjust the settings to meet the requirements of the service where you will use the password.
What To Adjust
Set the length, then choose from uppercase letters, lowercase letters, numbers, and symbols. Override Symbols lets you replace the default symbol set, while Exclude Ambiguous removes characters that can be hard to tell apart.
The password regenerates when you change a setting. Check the entropy estimate after adjusting the options, then use Copy to copy the result.
Guides for Password Generator
How-to
How to Create a Memorable Passphrase
Create a memorable passphrase from random words, generated locally in your browser. Learn how word count, capitalization, and separators affect strength.
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How to Choose a Username That Doesn't Link Your Accounts
Choose a username that keeps your accounts separate. Learn how names, birth years, and repeated handles reveal identity, and generate random ones locally.
Read guideHow-to
Passphrase vs Password: Which Should You Use?
Compare passphrases and passwords by entropy, memorability, and where each fits. Decide based on how the credential will be stored and typed.
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