Intelligent packaging indicators can help monitor food spoilage and quality by sensing and recording changes in food products. Traditional packaging only protects food from outside elements, but smart packaging goes further by providing information about food freshness. These indicators are becoming more common in the food industry and show promise for future applications. The use of 3D printing in creating these indicators is also being explored. This review discusses the different types of intelligent packaging indicators, how they are made, and their potential uses. It also looks at the limitations and future possibilities of smart food packaging.