Yes "BodySlide" http://www.nexusmods.com/skyrimspecialedition/mods/201 has inside "OutfitStudio" which can import and export obj/fbx and nif. You may also need a utility to sanitise nifs for SE http://www.nexusmods.com/skyrimspecialedition/mods/4089 and you may still need Nifskope to fix more complex meshes. Consider it a workaround of a workaround with a fix of a workaround.