Platforms like Bitwarden or 1Password can help you generate and store complex, unique passwords for every account.
If you are concerned your information may be in such a list: 575K COMBOLIST HQ GOOD FOR PAYPAL , STREAMING ,...
They are compiled from multiple data breaches, phishing campaigns, or "infostealer" malware that scrapes login details directly from infected computers. Platforms like Bitwarden or 1Password can help you