[br], [hr] – to make line break and line
[b]This is bold text[/b]
[i]This is italic text[/i]
[code]This is pre-formatted text[/code]
[quote]This is a quote[/quote]
[quote=Obama]This is a quote by a specific person[/quote]
[size=30]This text’s size is set at 30%[/size]
[s]This text has a strikethrough[/s]
[u]This text is underlined.[/u]
[center]This text is centered[/center]
[color=red]This is red text[/color]
[email][email protected][/email]
[[email protected]]An e-mail link[/email]
[url=][img][/img][/url] – Image with link
Youtube video