infoOverview

The password generator is an online tool for generating secure random passwords in bulk. You can customize the character set, length, and count, making it useful for everything from system setup by engineers to setting initial passwords for end users.

checklistHow to Use

1. 1Select the character type in Characters: Alphanumeric + Symbols / Alphanumeric / Lowercase + Digits / Digits Only.
2. 2Set the password length in Length.
3. 3Set how many passwords to generate at once in Count.
4. 4Turn on Exclude Similar Characters if the password will be typed by hand or read aloud.
5. 5Click the "Generate" button.

menu_bookSpecifications & Glossary

• Alphanumeric + Symbols: Uppercase, lowercase, digits, and symbols together — the largest character pool here, so it packs the most entropy per character. Use it whenever the target system has no restriction on special characters.
• Alphanumeric: Uppercase, lowercase, and digits, with no symbols. The fallback for legacy systems or form fields that reject punctuation.
• Lowercase + Digits: Lowercase letters and digits only, which keeps the result easy to read aloud or copy from a printed page, and safe to drop into a URL path without escaping.
• Digits Only: Numbers only — the right choice for PINs and numeric one-time codes, not for anything you'd call a password.
• Exclude Similar Characters: Strips look-alike characters — 0 vs O, 1 vs l, I vs | — that get misread on a printed handout or mistyped when someone reads a password out loud over the phone.
• Entropy: Password strength is measured in bits of entropy, and NIST SP 800-63B's guidance favors length over forced complexity rules — a long passphrase typically beats a short string crammed with mandatory symbols. As a rule of thumb, aim for at least 80 bits; each additional character type and each extra character added to the length grows the search space exponentially.

lightbulbUse Cases

• Bulk-generating initial passwords when onboarding a batch of new user accounts.
• Generating throwaway API secrets or symmetric keys for local development and testing.
• Creating disposable dummy passwords for QA and staging accounts.