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

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Last update 30. June 2025.

Want to submit an expression and get credit? Send us an email to contact@plainlyvideos.com and we'll include your expression.

Interpolation
New

Value Relative to Time Expression

Gradually changing the scale of an object from 0 to 100% over 5 seconds.

See expression

Contributed by:

Conditional
New

Strobe Light Expression

Making a text layer's opacity blink between 100% and 0% every second.

See expression

Contributed by:

Motion
New

Oscillate Expression

Creating a simple sine wave motion for a bouncing object or pendulum effect.

See expression

Contributed by:

Motion
New

Loop Path

Use this to have an object (like a car or airplane) continuously follow a looping path, such as driving around a track or flying in a circular route, without needing to manually repeat keyframes.

See expression

Contributed by:

Interpolation
New

Distance-Based Scale Expression

Scales the layer based on its distance from the point [500, 500]

See expression

Contributed by:

Motion
New

Overshoot Expression

Adding an overshoot effect to the scale property, causing it to bounce back slightly after reaching its final value.

See expression

Contributed by:

Randomness
New

Random Color Expression

Randomly generating a color within the RGB range for a flashing light effect.

See expression

Contributed by:

Transformation
New

Parent Rotation Expression

Adding 45 degrees to the parent layer’s rotation to ensure the child rotates at an offset angle.

See expression

Contributed by:

Motion
New

Sine Wave Motion Expression

Animating the opacity of an object to pulse over time using a sine wave.

See expression

Contributed by:

Transformation
New

Delay Expression

Delaying the rotation of a gear object so it follows the rotation of a larger parent gear.

See expression

Contributed by:

Motion
New

PosterizeTime Expression

Forcing a layer to update at 12 frames per second to create a stop-motion effect.

See expression

Contributed by:

Transformation
New

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.

See expression

Contributed by:

Randomness
New

SeedRandom Expression

Ensuring random values for each layer stay consistent over time based on their index.

See expression

Contributed by:

Transformation
New

ConvertToWorld Expression

Aligning a spotlight’s position to the world space anchor point of another 3D object.

See expression

Contributed by:

Interpolation
New

Smooth Expression

Smoothing out the jittery motion of a handheld camera by averaging out its position over time.

See expression

Contributed by:

Transformation
New

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)

See expression

Contributed by:

Conditional
New

Clamp Expression

Ensuring that a layer's scale never goes below 50% or above 150%, no matter what animations or adjustments you apply.

See expression

Contributed by:

Interpolation
New

Number Counter With Separators

Neatly formats large financial figures (e.g., "1.500.000") from a slider for on-screen display.

See expression

Contributed by:

Transformation
New

Index Expression

Placing each layer 50 pixels apart for a grid layout.

See expression

Contributed by:

Motion
New

LoopOut PingPong Expression

Animating the position of an object in a cosine wave pattern, creating a back-and-forth motion.

See expression

Contributed by:

Motion
New

Bounce Expression

A ball bounces to a stop after falling, using this expression to animate its bounce motion.

See expression

Contributed by:

Randomness
New

Random Expression

Setting the opacity of multiple objects to random values between 0 and 100.

See expression

Contributed by:

Interpolation
New

Ease Expression

Smoothly increasing opacity from 0 to 100 over 1 second for a fade effect.

See expression

Contributed by:

Transformation
New

ValueAtTime Expression

Delaying the position animation of a layer so it follows another layer with a slight lag.

See expression

Contributed by:

Motion
New

LoopOut Cycle Expression

Looping the position of a bouncing ball to repeat its motion indefinitely without adding more keyframes.

See expression

Contributed by:

Motion
New

Wiggle Expression

Creating a subtle shake in a text layer to simulate a hand-held camera effect.

See expression

Contributed by:

Motion
New

Time Expression

Rotating an object at a steady rate over time by applying it to the Rotation property.

See expression

Contributed by: