A portable sunshade (9) comprises a canopy (10) convertible between a first closed and folded configuration and a second open and arched configuration, and at least one connecting element (14) connectable to the canopy (10) so that, tightening such connecting element (14) between opposite points of the canopy (10), the latter remains in the open and deployed configuration, so as to create a compartment defined by the connecting element (14) and the canopy (10).