How to use the Password Generator
The password generator creates a random password in your browser using your length and character choices.
What you need to enter
- Length
- Uppercase
- Numbers
- Symbols
The formula
Strength in bits = length × log₂(character set size).
Worked example
This tool gives a different result every time you press the button, so there is no single worked example. Choose your options, press the button, and copy the result you like.
Tips for better results
- Use at least 14–16 characters and a password manager.
- Never reuse passwords.
Common mistakes to avoid
- Using personal details.
- Reusing one password.
Please note: Results are estimates for general use. For safety-critical work such as electrical or building projects, check with a qualified professional and local codes. See our Disclaimer.