Loading calculator…
What this calculator does
Create a random password or passphrase with chosen security settings.
How to use this calculator
- Choose length, character types, or words, then generate a password.
- Review the calculation assumptions before using the result.
- Long unique passwords are harder to guess.
How to calculate
Choose a password length and the character types to include.
Worked example
A longer password with more character types has more possible combinations.
Understanding your result
Long unique passwords are harder to guess.
- Store it in a password manager rather than reusing it.
- Double-check values and units before calculating.
Frequently asked questions
What does this random password generator do?
Create a random password or passphrase with chosen security settings.
How do I use this random password generator?
Choose length, character types, or words, then generate a password.
What does the result mean?
Long unique passwords are harder to guess.
What should I check before relying on it?
Store it in a password manager rather than reusing it.
Does a longer password matter more than including symbols?
Generally yes — length increases the number of possible combinations more than adding another character type, though combining both length and variety gives the strongest result.
Is it safe to generate a password in the browser like this?
Yes — password generation happens locally in your browser using client-side randomness; nothing is sent to a server or stored anywhere.