Titles look best when written in Title Case. That means that only the the principal words in your heading get a capital letter. Articles, conjunctions, and prepositions are out of luck!
I've made this simple converter for our Title Case needs. Bookmark this note if you like!
There are still a few things missing from this tool. It has some problems with apostrophes and abbreviations. I plan to fix those in the future. But for now, please be wary of them.