Aescripts — Auto Transition Builder For After Eff ^new^

The Auto Transition Builder on aescripts.com is designed to automate the repetitive task of adding transitions between layers in Adobe After Effects. Its primary features focus on batch processing and customization:

"Layer dimensions don't match": Ensure all your clips are the same resolution (e.g., 1920x1080). The script gets confused if you have a vertical iPhone video next to a landscape shot.
"Undefined variable" error: Your After Effects language might be set to non-English. The script reads effect names (e.g., "Transform"). Switch AE to English temporarily.
Script runs but nothing happens: Check if your layers are shy (hidden). Unshy them before running the script.

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Post Title: ⚡ Speed Up Your After Effects Workflow with Auto Transition Builder The Auto Transition Builder on aescripts

References

Typical workflow

Select two layers (the outgoing and incoming) or footage items in the timeline.
Run the Auto-Transition Builder script from the File > Scripts menu (or via extension panel).
Choose a transition type or set of types; configure global parameters such as length, direction, blur, and edge softness.
The script generates one or more transition compositions, precomps the required elements, and creates a control layer with expression-linked parameters.
Place the generated transition comp between the two layers on the main timeline; tweak exposed controls if needed.
Optionally save the transition comp as a preset or export it for reuse.

Run the Script: Click the Run button. The extension will automatically load the necessary project files and apply the chosen transitions across all selected layers. "Layer dimensions don't match": Ensure all your clips

Manually adding transitions to dozens of layers can be one of the most repetitive and time-consuming tasks in post-production. The Auto Transition Builder , available on aescripts + aeplugins