Smilies are commonly used codes to represent emotions, such as :-) to indicate happiness. FUDforum 2.3 has a list of 30 commonly uses smiley codes that will be replaced with image representing the corresponding emotion the author is trying to convey. The administrator can add/edit/delete the supported smilies via the smilies control panel.

Whether or not text codes are replaced with corresponding images can be defined by the administrator on a forum by forum basis. The group management system can also be used to disallow usage of smilies.