The present invention refers to a compact device for electrolytic sterilization of food and utensils, especially for the electrical treatment of food and utensils using the electric current generated between a positive pole and a negative pole of an electrolysis system, all of those immersed in a fluid medium contained within a container covered by a lid of said device. The container is the anode or positive pole and the lid, by means of a cathode shaft provided with a cathode disc, is the cathode or negative pole, and the electrolyte is water.