A portable apparatus for inspecting and cleaning fiber optic connectors which comprises a housing, an adapting tip receptacle on a top side of the housing, an optical module embedded in the housing, a focusing knob connected to the optical module, an LCD screen on a front side of the housing for displaying the image of the endface of the connector interfaced with the apparatus, and a cleaner module. In conjunction with a set of universal tips for male connectors, a set of converters are provided to form universal tips for female connectors, which greatly simplifies the overall tip family.