Easy Time Remap

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How to use the script

Always check code before running it on your computer. Even basic scripts like this one. If you’re not a developer, ask an LLM like ChatGPT, Claude, or Gemini to verify it for you.

Option 1: Install to your AE Folder

Download and install the below .jsx file in your After Effects Script folder. You can then run it using the scripts menu, or by using a launcher like Quick Menu 3.

Option 2: Adapt the script yourself

Alternatively copy the code below and develop your own version. If you’re not a developer you can do this easily with an LLM like ChatGPT.

JV Time Remap.jsx0.9KB

(function() {
    // Ensure there is an active composition
    var comp = app.project.activeItem;
    if (!comp || !(comp instanceof CompItem)) {
        alert("No active composition.");
        return;
    }

    // Ensure there is a selected layer
    var layer = comp.selectedLayers[0];
    if (!layer) {
        alert("No layer selected.");
        return;
    }

    // Enable time remapping
    if (!layer.canSetTimeRemapEnabled) {
        alert("Layer cannot have time remapping applied.");
        return;
    }
    layer.timeRemapEnabled = true;

    // Add a keyframe at the start and end of the layer
    var startTime = layer.inPoint;
    var endTime = layer.outPoint;
    
    layer.timeRemap.addKey(startTime);
    layer.timeRemap.addKey(endTime);

    // Select keyframe at the end of the layer
    var lastKeyIndex = layer.timeRemap.nearestKeyIndex(endTime);
    layer.timeRemap.setSelectedAtKey(lastKeyIndex, true);
})();