MS Password Generator (WebExtension) av Ayukawayen

Create a unique password for each site and service.
Input the Main key and a site key to generate a strong password for that site. No registration. Work offline without sending or storing any data on the internet. Could re-generate password on other computers and mobile devices by the Main Key.

*Sync your passwords on other platforms
Chrome extension: https://chrome.google.com/webstore/detail/strong-password-generator/cjepknkdbfekghcecakjfbdcjkbapipk