In this tutorial, Sergei Prokhnevskiy will show you how to automatically get the size of many layers using expressions in After Effects. Click here to learn more about expressions.

Code:

keyword = “ukramedia”;
widthList = [];

for(i = 1; i <= thisComp.numLayers; i++) {
layerPath = thisComp.layer(i);
layerWidth = layerPath.sourceRectAtTime().width;
if(layerPath.name.match(keyword)) {widthList.push(layerWidth)} else {};
}

Math.max(…widthList) + 100

Project File

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