As you familiarize yourself with After Effects, many tasks start getting tedious and repetitive. If you’re looking for a way to automate these, Kevin McAuliffe has the answer: Scripts! Join Kevin as he walks you through some of his most time and labor saving scripts, how to implement them, and where to go to find them. Here are the links, just to save you some time, as well as the AE project so you can follow along.
Redefinery Script Launcher & Scripts
Add Parented Null to Selected Layers
Download the project file here: 7 Essential Scripts AE Project