By default WordPress native HTML editor present in add new & edit content (posts, pages, CPTs) pages provides you few important HTML tag buttons like bold, italic, b-quote, del, ins, ul, ol, li, code, more, lookup, close tags, proofread, fullscreen. WP Quicktags is a simple and light weight WordPress plugin that adds few more useful HTML tag buttons.
Continue reading WP Quicktags For Adding Useful Buttons To Native WordPress HTML Editor