The face of the world of education is currently experiencing drastic and complex changes, amid social risks (physical distancing) due to the Covid-19 pandemic outbreak. In this case, the world of education has finally been affected by breaking the chain of spreading the covid-19 pandemic. In the end, the government instructed nationally to carry out online learning and this has been done for months. Online, offline, and even blended learning is carried out by an educator in an effort to improve the quality of learning during this pandemic. The research method used is development as an optimal form of renderforest applications. The renderforest application is an online-based application that can be developed by educators as a fun learning medium according to the age of the student. From the facilities, there are various template features in the application that was built by forest results that satisfy students for learning in the form of animation that stimulates the interest of students at the SMP / MTS level in accepting natural science learning. The results of making this renderforest application can be developed and published on social media such as YouTube, Instagram, Telegram, Facebook or other social media according to the needs and agreement between teachers and students to get maximum results. The results of this learning modification can be done in two directions which get the thoughts and feelings of the students who are united in the uniformity of dialogue.