Covid19-Tracker is a tool for identifying the present scenario of corona virus cases worldwide. It is commonly used to indicate the number of infected, recovered and death people due to corona. As the Covid-19 pandemic unfolds across the world, one of the greatest barriers we are encountering is the absence of consistent data. Tracking daily cases data is a major step forward in local people Here it has some major features like tracking daily corona cases worldwide state wise and district wise .Apart from tracking corona cases on daily basis it has some additional functionalities like it has all the necessary information regarding corona, finding vaccination slot nearby you as well as helps on finding the oxygen bed, ventilator, icu beds for each city with their hospital name. This paper attempts to present a review of one of the major tracking system developed worldwide Corona Tracker was born as the online platform that provides latest, reliable and accurate data. This paper aims to provide COVID19 deaths, and recoveries through API call with additional functionalities.