Extension:TippingOver

TippingOver is an extension that allows editors to create tooltips for wiki links using either wiki pages or uploaded images.

Manual
The Editable tooltips article has a quick guide and an live example for one of the more conventional use cases.

More detailed information is available on these manual pages:
 * Creating tooltips under default configuration
 * Using images as tooltips
 * Using enabling or disabling categories
 * Customizing tooltip page titles
 * Configuration settings

Wikis where this is used

 * Spellbreak Wiki
 * Balrum Wiki
 * Duelyst Wiki
 * Gwent Wiki
 * Hearthstone Wiki
 * Meeseeks Wiki
 * Nowhere Prophet Wiki
 * Oz: Broken Kingdom Wiki
 * Paladins Wiki
 * Star Trek Online Wiki
 * Stoneshard Wiki
 * Wild Terra (Russian) Wiki