A processor device (12, 12A, 12B) configured to be connected with an endoscope (11, 11A, 11B) irradiating an object to be observed with illumination light supplied from a light source, and to output a video of the object to be observed picked up by the endoscope to a monitor, comprising: an image acquisition unit configured to acquire a static image of the object to be observed when an operator gives an instruction for operation for recording the static image while observing the video of the object to be observed; an information acquisition unit (91, 131) being configured to acquire tone change-related information about a change in a tone of the static image and conversion information for converting the tone change-related information into a correction profile for correcting a change in the tone of the static image; an embedding unit; an output unit; and optionally a creation unit (92, 132, 146) being configured to create the correction profile according to the tone change-related information and the conversion information; wherein in case the creation unit does not form part of the processing device, the embedding unit (93, 141) is configured to embed the tone change-related information and the conversion information from the information acquisition unit (91, 131) in the static image, the output unit is configured to output the static image in which the tone change-related information and the conversion information is embedded to the outside, wherein the tone change-related information is acquired only in a case where the instruction for operation is given; wherein in case the creation unit does form part of the processing device, the embedding unit (93, 141) is configured to embed the correction profile from the creation unit (92, 132, 136) in the static image, the output unit is configured to output the static image in which the correction profile is embedded to the outside, wherein the correction profile is created only in a case where the instruction for operation is given. an image acquisition unit configured to acquire a static image of the object to be observed when an operator gives an instruction for operation for recording the static image while observing the video of the object to be observed; an information acquisition unit (91, 131) being configured to acquire tone change-related information about a change in a tone of the static image and conversion information for converting the tone change-related information into a correction profile for correcting a change in the tone of the static image; an embedding unit; an output unit; and optionally a creation unit (92, 132, 146) being configured to create the correction profile according to the tone change-related information and the conversion information; wherein in case the creation unit does not form part of the processing device, the embedding unit (93, 141) is configured to embed the tone change-related information and the conversion information from the information acquisition unit (91, 131) in the static image, the output unit is configured to output the static image in which the tone change-related information and the conversion information is embedded to the outside, wherein the tone change-related information is acquired only in a case where the instruction for operation is given; wherein in case the creation unit does form part of the processing device, the embedding unit (93, 141) is configured to embed the correction profile from the creation unit (92, 132, 136) in the static image, the output unit is configured to output the static image in which the correction profile is embedded to the outside, wherein the correction profile is created only in a case where the instruction for operation is given.