

You can adjust your dimensions by hand from the Composition Settings window. If you would like to see the exact dimensions of your newly cropped composition, simply navigate to Composition>Composition Settings (or you could hit Command+K). Once you have your Region of Interest selected, simply navigate to the menu bar at the very top of After Effects and select Composition>Crop Comp to Region of Interest. This will automatically crop your composition to the Region of Interest box that you created. Step 3: Composition > Crop Comp to Region of Interest You can toggle the visibility of the Region of Interest by simply deselecting the box mentioned in the first step. 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
