To add an extension for your browser, sign in to teampassword.com and towards the bottom of the page, you will see Browser Extensions.
Chrome: https://chrome.google.com/webstore/detail/teampassword/cikdbigchmgednjbjppflefljobhnhca
Safari: https://app.teampassword.com/safari
Firefox: https://app.teampassword.com/firefox
Once installed, you can sign in and access your passwords. This would allow you to fill in password fields on websites.
Also, you can also create a new password in the TeamPassword Extension and the extension will collect the URL for that site you are on and remember this next time.