A nonwoven abrasive article includes a lofty open nonwoven fiber web comprising entangled fibers; and abrasive platelets secured to the entangled fibers by at least one binder material. A majority of the abrasive platelets are respectively bonded in an edge-wise manner to at least one of the entangled fibers. Methods of making the nonwoven abrasive article and converted forms, including a convolute abrasive wheel, are also disclosed.