It is a free tool that lets you easily calculate the number of characters in any given text. Use it to prepare content that has size restriction. For example Twitter posts had limits of 140 characters in the past, now it is 280, Instagram captions can be up to 2,200 characters long. Many social websites have limitation on the amount of words you could use for posting.
Even more important and useful this tool become when you prepare meta content for web pages. For effective search engine optimization each page title and page meta description needs to fit exact size.
You could see amount of characters while typing, so it is easier to make changes in phase to fit your desired length. Visit Business Web Admin “Character Counter” to use it for free.