Wikipedia:HotCat

WP:HC

An example of HotCat in use, in this case attempting to predict the next word.

HotCat is a gadget that helps registered users easily remove, change, and add categories to Wikipedia pages. It has a suggestions list that will propose existing categories for auto-completion.

Enabling HotCat

You go to my settings and to to the Gadgets section. Click the checkbox for HotCat to enable. You have to have an account to do this.

HotCat usage

+⁺ (Change Several Categories)

You click the double plus sign and you edit any category on the page. Click "save" when you are done

- (Remove Category)

You click the hyphen next to the category you want to remove to remove it.

± (Change Category)

You might need to use this one to fix category links or spelling

↓ (Change and View Subcategories)

You might need to use this to modify this from a category to a subcategory of the category you are modifying

↑ (Change and View Parent Categories)

You might need to use this to modify this from a category to a category the category is in

+ (Add Category)

You might want to add a new category (existing or not)