Don’t worry if you don’t get the box just right, you can adjust the edges after you set your Region of Interest. To use the Region of Interest tool, simply click and drag to create a box. Step 2: Create a Box Around Your Crop Location Practically, this means After Effects can focus on rendering out a small portion of the frame, so your computer speed will increase. Essentially, the Region of Interest tool allows you to create a box around a specific area in the frame. The Region of Interest tool is one of the most underrated tools in After Effects. It looks like a small box in a larger box.
The Region of Interest button is at the bottom of the Composition panel. How to Crop in After Effects in Three Easy Steps Step 1: Select Region of Interest Tool
