HTML has various formatting tags: <b> - makes text bold <i> - makes text italic <em> - makes text italic but with added semantics importance <big> - increases the font size of the text by one unit <small> - decreases the font size of the text by one unit <sub> - makes the text a subscript <sup> - makes the text a superscript <del> - displays as strike out text <strong> - marks the text as important <mark> - highlights the text <ins> - displays as added text