What is a Password Generator?
A password generator produces random strings of characters using a cryptographically secure source of randomness, rather than predictable patterns a human might choose. This makes generated passwords far more resistant to guessing and brute-force attacks than anything memorable.
How to Use This Password Generator
- Set your desired password length with the slider.
- Choose which character sets to include — uppercase, lowercase, numbers, symbols.
- Optionally exclude ambiguous characters like 0, O, l, 1, and I.
- Set how many passwords you want, then click Generate.
- Copy individual passwords or use Copy All to grab the full list.
When Do You Need a Password Generator?
Use a password generator any time you create a new account, rotate credentials, or set up API keys and service accounts. Pairing generated passwords with a password manager means you never have to remember or reuse them.
Frequently Asked Questions
How to create a strong password?
Use at least 16 characters with a mix of uppercase, lowercase, numbers, and symbols. Avoid dictionary words, personal information, and reused passwords across sites. A random password generator like this one removes human guesswork from the process.
Should I use a password manager?
Yes. A password manager lets you use a unique, long, random password for every site without needing to remember them, which is far more secure than reusing or slightly varying a small set of passwords.
How random are generated passwords?
This tool uses the browser's crypto.getRandomValues() API, a cryptographically secure random number source, rather than Math.random(), which is not safe for generating secrets.
Password length vs complexity?
Length matters more than complexity for resisting brute-force attacks — a longer password with fewer character types is often stronger than a short one with every type included. Aim for both: long, and varied.