Described herein is a multi-purpose portable platform stage for elevating a platform of the stage over a surface on which the stage is placed, that can be converted by a single person individually without assistance from an operational configuration in which one or more persons can stand, move and operate on the platform without the platform collapsing, and in which one or more objects can be placed and used on the platform, by or without such persons, without the platform collapsing, to a portable configuration in which the single person can carry the stage individually without assistance.