is a legendary, free utility plugin for Adobe After Effects and other compositing software that creates an alpha channel from an image's luminance. Originally developed by John Knoll—the co-creator of Photoshop and a visual effects supervisor at Industrial Light & Magic—it has been a staple in the motion graphics industry for decades. Core Functionality
One click. No keying. No rotoscoping.
Split screen – raw footage with black background on left, final with transparent background on right. knoll unmult
Imagine you are compositing a fire element. The core of the fire is blue and very bright. The outer edges are orange and dimmer. is a legendary, free utility plugin for Adobe
Many editors ask: "Why not just use native tools?" Let's compare. is a legendary