Yanfly Engine Plugins is a plugin library made for RPG Maker MV, a wonderful piece of software to help you make that role playing game of your dreams. You can find out more about RPG Maker MV here.
You can grab the plugin here:
Events usually have a 1×1 tile-large hitbox. However, in some cases, you’d eventually like to have a bigger object to interact with or would like to expand the reach of an event’s trigger area by a certain amount. This plugin allows you to adjust the sizes of any event’s hitbox through notetags and/or comment tags.