Toofr Helper is an easy to use extension that help you validated work emails. You simply click the icon, provide the name and domain and push submit. It also allows you to enter an email and push submit to validate it. In the picture below you see what happens when validate one of my emails, as you can see it verified it and said it was 83% confident. You also see were you put in the name and email domain for work emails.
The Good: This tool lets you find work emails, and validate other emails all form one place.
The Bad: Would be nice if it pre populated the email domain when on a com- pany site.
The Ugly: NA
Final Verdict: 4 / 5