Password Generator

Generate strong random passwords with adjustable length and character classes. Uses crypto.getRandomValues — cryptographically secure.

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How to use

1
Set length and classes
Sliders for length and how many to generate; toggles for upper, lower, digits, symbols.
2
Read the strength
Each row shows estimated entropy: weak, fair, strong, very strong.
3
Copy
Copy one or all at once.

Where does the randomness come from?

crypto.getRandomValues — a CSPRNG seeded by the OS. Suitable for password generation. Math.random is NOT used.

Why exclude ambiguous?

O/0, I/l/1, |/` look alike in many fonts. Excluding them helps when passwords are read aloud or transcribed.