UTF

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Stands for Unicode Transformation Format. UTF refers to several types of Unicode character encodings, including UTF-7, UTF-8, UTF-16, and UTF-32.
Most text in documents and webpages is encoded using one of the UTF encodings above. Many word processing programs do not allow you to view the character encoding of open documents, though some display the encoding on the bottom of the document window or within the file properties. If you want to see the type of character encoding used by a webpage, you can select View → View Source to view the HTML of the page. The character encoding, if defined, will be in the header section, near the top of the HTML. A page that uses UTF-8 encoding may include one of the following text snippets below, depending on the version of the HTML.
XHTML:  <meta http-equiv=Content-Type content=text/html; charset=utf-8 />HTML 5: <meta charset=UTF-8>