To sign up, you should just have an email. Go to sign up page, If you have gmail, you can sign up / sign in more simple, just by clicking Sign up / Sign in using google button. You can go to the next section and enter your email, then type a suitable password and confirm it. The system will send a message with a link to your email which you should go to your email and click the sent link. It means you verified that you can access this email.

Now you can sign in (log in) to Online Feed Formulator. Go to sign in page and enter your email as username and then type your password. By clicking sign in button, you will redirect to the site homepage, saying welcome to you.

Enjoy it.