After Effects expressions library
Life is easier with After Effects expressions, but writing them can be daunting. That's why our team spent hours on writing and testing the most useful After Effects expressions for you.
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All expressions
Last update 14. May 2025.
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PosterizeTime Expression
Forcing a layer to update at 12 frames per second to create a stop-motion effect.
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ToComp Expression
Use when you want the 2D element to track the position of the 3D layer but stay flat and readable without 3D distortions.
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SeedRandom Expression
Ensuring random values for each layer stay consistent over time based on their index.
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ConvertToWorld Expression
Aligning a spotlight’s position to the world space anchor point of another 3D object.
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Smooth Expression
Smoothing out the jittery motion of a handheld camera by averaging out its position over time.
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LookAt Expression in 3D space
You want a layer (such as a 3D object or camera) to always face another moving object (the target layer)
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Clamp Expression
Ensuring that a layer's scale never goes below 50% or above 150%, no matter what animations or adjustments you apply.
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Number Counter With Separators
Neatly formats large financial figures (e.g., "1.500.000") from a slider for on-screen display.
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Index Expression
Placing each layer 50 pixels apart for a grid layout.
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LoopOut PingPong Expression
Animating the position of an object in a cosine wave pattern, creating a back-and-forth motion.
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Bounce Expression
A ball bounces to a stop after falling, using this expression to animate its bounce motion.
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Random Expression
Setting the opacity of multiple objects to random values between 0 and 100.
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Ease Expression
Smoothly increasing opacity from 0 to 100 over 1 second for a fade effect.
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ValueAtTime Expression
Delaying the position animation of a layer so it follows another layer with a slight lag.
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LoopOut Cycle Expression
Looping the position of a bouncing ball to repeat its motion indefinitely without adding more keyframes.
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Wiggle Expression
Creating a subtle shake in a text layer to simulate a hand-held camera effect.
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Time Expression
Rotating an object at a steady rate over time by applying it to the Rotation property.
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