This script can be used to automatically add wiggle, smooth and loop expressions to any selected properties.

Ease and Wizz is a set of expressions for After Effects that give you more ways to interpolate between values. The obvious use is in motion, but they can be used on animated properties of any kind. They’re applied with an After Effects-ish palette that can be docked, so it’s very easy to use.

Allows you to simplify the selected masks by removing the least important vertices. For instance, it can be used for smoothing a path generated by the built-in Auto-trace command.