Opacity Tool
Control layer transparency from 0% (invisible) to 100% (fully visible). Essential for fades and overlays.
Transform
Shortcut: TBeginner3 min readQuick Reference
Opacity Tool
Adobe After EffectsKeyboard Shortcut
Tkey
Where to Find
Select a layer and press T to reveal Opacity properties. Found under Transform > Opacity in the layer properties.
Best Used For
- ▸Creating fade-in and fade-out transitions
- ▸Blending layers together for overlay effects
- ▸Revealing or hiding elements smoothly
- ▸Animating ghostly or dissolve effects
Beginner-Friendly⏱ 15-30 minutes to master
Key Settings
Opacity Range: 0% (invisible) to 100%Fade Duration: Keyframe timingBlend Mode: Combine with opacity
Opacity is the simplest yet most powerful tool for smooth transitions. A well-timed fade-in or fade-out can make the difference between a jarring cut and a professional reveal. Opacity is also essential for overlays, ghost effects, and dissolving between scenes.
Where to Find
Select a layer and press T to reveal Opacity properties. Found under Transform > Opacity in the layer properties.
How to Use
- Reveal: Press T to show Opacity keyframes
- Adjust: Change the percentage from 0% (invisible) to 100% (fully visible)
- Keyframes: Animate from 0% to 100% for a fade-in, or 100% to 0% for a fade-out
- Stacking: Use opacity to blend multiple layers together
Pro Tips
- Copy and paste opacity keyframes to reuse fade effects
- Use opacity with blur for smoother transitions
- Combine with blend modes for creative overlay effects
- Animate opacity with Easy Ease (F9) for natural-looking fades