SiteKeywordDensity.com - Keyword Density Report
WordCounter.net - Count words, sentences, paragraphs etc.
WordCounter.online - WordCounter.online is a useful tool that enables you to determine the word and characters (with and without spaces) and reading time, phrases, and paragraphs in your text at absolutely no cost.
KeywordDensityReport.com - Website Keyword Density Reports
Word Counter - A simple, beautiful word and character counter
Word Count Tools - The must-have free word counter that provides an extensive report about the word count, character count, keyword density, readability & many other useful stats.