Use a browser-based password generator to create a long random password, choosing the length and which character types to include so it meets the signup rules. It is built with secure randomness on your device and never sent anywhere.
Reusing a password across accounts means one breach exposes them all, so every new signup deserves its own unique password. Generating a long random string, rather than a variation of one you already use, is what actually protects the account. A generator lets you set the length and toggle uppercase, numbers and symbols so the result satisfies whatever rules the signup form enforces.
A trustworthy generator builds the password in your browser using the platform secure random source and never transmits it, so it has only ever existed on your device. Because random passwords are not meant to be memorized, copy it straight into a password manager. It is free and needs no account.
Yes. A unique password per account limits the damage if one site is breached.
No. It is generated locally in your browser with secure randomness.
Yes. You can set the length and include or exclude symbols, numbers and cases.