Auto-Resize Text Box in After Effects (Step-by-Step Tutorial)
Learn how to create an auto-resizing text box in After Effects!
Whether you're designing lower thirds or title cards, this trick will save you tons of time and make your workflow much smoother. In this step-by-step tutorial, I’ll show you how to link a shape layer to a text layer so the box resizes automatically—no manual adjustments needed!
I’ll also show you how to use the Lock Anchor Point effect, add padding with Offset Paths, and save everything as a reusable preset. Perfect for motion designers, editors, and anyone working in After Effects 2024 or newer.
📌 Topics Covered:
Adding the Lock Anchor Point effect
Creating a shape layer that resizes with text
Writing expressions for auto-sizing
Adding padding with Offset Paths
Saving your setup as a preset
Expression:
s=(use pick whip to select text layer);
w=s.sourceRectAtTime().width;
h=s.sourceRectAtTime().height;
[w,h]
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