The White-bellied Fantail lives in moist mountain forests on Java. Its gray body has a white belly and a broad white stripe above each eye.
A broad white stripe runs above the eye, and the back and wings are dark slate blue-gray. The throat and breast are gray, the belly is white, and the outer tail feathers have white tips. The sexes are similar.
It lives in moist mountain forest and catches small flying insects in the middle storey and near dense vegetation. The account describes it as resident on Java.
An extinction-risk assessment has not been added yet.