How is randomness generated?

With crypto.getRandomValues(), the browser's cryptographically secure random number generator — not Math.random().

Is this password saved anywhere?

No — it exists only in your browser tab; closing or refreshing the page discards it, and nothing is ever sent to a server.

At least 12-16 characters with all four character sets enabled gives strong resistance to brute-force attacks; the default here is 16.

Generate a strong random password with custom length and character sets.

Length: 16 a-z A-Z 0-9 !@#

1
Set the length and character sets
Length from 6 to 64 characters; toggle lowercase, uppercase, numbers and symbols.
2
Click "Generate password"
A new random password is created instantly.
3
Copy it
Nothing is stored — refreshing the page discards it.

How is randomness generated?: With crypto.getRandomValues(), the browser's cryptographically secure random number generator — not Math.random().
Is this password saved anywhere?: No — it exists only in your browser tab; closing or refreshing the page discards it, and nothing is ever sent to a server.
What is a good length to use?: At least 12-16 characters with all four character sets enabled gives strong resistance to brute-force attacks; the default here is 16.