Catalyit or The Bezos Letters.

Title Capitalization Tool

Have you ever wondered the proper way to capitalize a headline for an article? Or perhaps the subject line for an email?

This simple website will do it for you.

TitleCap does one thing — automatically capitalize your title.

You can choose AP Style or Chicago Manual of Style as the guide. The rules for each are included if you are interested.

Check it out here: http://titlecapitalization.com/