After Effects Timeline and Keyframe Shortcuts

Navigating between keyframes with J and K lets you jump the playhead precisely to an existing animation point on whichever property is currently revealed in the Timeline, rather than scrubbing by eye and hoping to land exactly on frame. This matters because adjusting a keyframe's value or timing requires the playhead to actually be positioned at that keyframe first in many workflows, and eyeballing frame-accurate positioning by dragging is slow and error-prone on longer compositions. Easy Ease (F9) is arguably the single highest-impact keyframe shortcut in the entire application for animation quality — by default, After Effects interpolates linearly between keyframes, producing motion that starts and stops at a perfectly constant, mechanical speed. Real-world motion essentially never behaves this way; things accelerate and decelerate. Applying Easy Ease converts the keyframe's velocity curve into an eased shape automatically, and most professional animators apply it as a near-automatic first step on new keyframes before further hand-tuning. The Graph Editor (Shift+F3) takes easing control further by visualizing keyframe values and velocity as an actual editable curve rather than the default row of keyframe dots. This is where finer manual adjustments happen — steepening an ease-out for a snappier stop, or flattening a curve's middle section to hold a value briefly before continuing motion. New users often avoid the Graph Editor because the curve-based interface looks intimidating compared to the simpler dot-based Timeline view, but it's the only place to make precise velocity adjustments beyond what the default Easy Ease preset provides. Adding and removing keyframes themselves happens either by clicking a property's stopwatch icon (which enables keyframing and immediately sets one at the current time) or via the Alt/Option+Shift+[property shortcut letter] combination once keyframing is already active, letting you toggle a keyframe on or off at the current playhead position without touching the mouse at all. Hold interpolation (Ctrl+Alt+H / Cmd+Option+H) fundamentally changes how a keyframe behaves rather than just its easing curve — instead of smoothly transitioning toward the next keyframe's value, a Hold keyframe snaps its property instantly to the held value and keeps it frozen there until the very next keyframe takes over just as abruptly. This is the standard technique for stop-motion-style animation, strobing effects, or any situation calling for a discrete jump between states rather than a continuous transition. Roving keyframes, toggled by Ctrl+Click (Cmd+Click) on a keyframe within the Graph Editor, solve a subtler timing problem: when you have several keyframes in sequence and want perfectly constant velocity throughout, a middle keyframe's fixed timing can sometimes create an uneven speed bump, since its position was set independently rather than calculated to maintain smooth velocity across the whole sequence. Making it 'rove' lets After Effects automatically recalculate and adjust its exact timing to preserve constant speed across the whole keyframe chain, rather than staying locked to whatever time it was originally created at. Copying and pasting keyframes between layers works exactly like copying any other content in After Effects — select the keyframes, Ctrl+C (Cmd+C), select the target layer and property, position the playhead where you want the pasted keyframes to begin, then Ctrl+V (Cmd+V). This is a fast way to reuse a hand-tuned animation pattern (a particular bounce, a specific easing shape) across multiple layers without manually rebuilding the same keyframe sequence and easing adjustments from scratch on each one.