This tool to count the number of letters or characters in your document is also useful for marketing, advertising, web design, brochure creation, thesis writing, etc.
There is always a limit of something , 140 character limit for tweeting , or some nos of words for writing essay or article and you have to be very careful about choosing the title. All the main and targeted keywords should be present in your title .As i mentioned , Very very useful for your tweets on Twitter as the whole tweet should be well maintained with full information accuraely, as well as a multitude of other applications, Journalists writing article, students working on assignment, freelance writers, researchers, job seekers preparing Resume or Curriculum .
Simply write or just copy and paste the matter you want to be counted text area.
When you have finished, click on Count characters (count letters) under the text area, and watch the results appear immediately.
Here is the list of such online words/character counters