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How to stretch keyframes in time in After Effects

Timing is everything — stretch keyframes to slow down or speed up an animation without redoing the whole thing.

Steps to stretch keyframes in time

Select your keyframes, then hold Alt (Windows) / Option (Mac) and drag the last keyframe left or right.

Selecting multiple keyframes in the After Effects timeline

Dragging outward slows the animation down; dragging inward speeds it up.

Stretching keyframes in time using Alt drag in After Effects

Preview your comp to check the new timing and make sure it feels right.

One more thing

For multiple layers, select all their keyframes and use the same trick — everything scales in sync together, which saves tons of time.

Related how-tos

How to copy and paste keyframes in After Effects
How to use the graph editor in After Effects
How to use easing for smooth animation in After Effects

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