Unreal Engine How to Turn Off Light Icon

This guide walks you through how to turn off light icons in Unreal Engine to declutter your scene and boost performance. Whether you’re working in the Editor or Blueprint environment, we’ll show you simple methods to hide light visualizations and keep your workflow smooth. By the end, you’ll know exactly where to click and why it matters for both beginners and advanced users.

Have you ever opened your Unreal Engine level and noticed bright, glowing dots and beams cluttering your viewport? Those are light icons—visual markers that represent light sources like spotlights or point lights. While helpful for placement, they can slow down navigation and make scenes harder to read. If you’ve ever asked yourself, “How do I turn off light icon in Unreal Engine?” you’re not alone. This comprehensive guide will walk you through every method to disable those icons so you can work more efficiently.

Whether you’re a beginner setting up your first scene or an experienced developer optimizing performance, knowing how to manage light icons is essential. In this article, we’ll cover everything from basic menu toggles to advanced editor settings. You’ll learn why these icons appear, when to disable them, and how to do it quickly using hotkeys or preferences. By the end, your viewport will be clean, fast, and ready for action.

## Why Light Icons Appear in Unreal Engine

Unreal Engine displays light icons by default to help artists visualize where lights are placed and how they affect lighting. These icons appear as small colored shapes—like cones for spotlights or spheres for point lights—in your viewport. They’re especially useful during level design because they give immediate feedback on light direction and range.

However, these icons aren’t just cosmetic. They consume GPU resources when rendered, which can slow down real-time navigation, especially in complex scenes with many lights. For example, if you’re using dozens of dynamic lights, seeing all their icons at once might cause lag when rotating or panning around the level.

Additionally, during lighting setup or debugging, overlapping or misplaced icons can confuse you. That’s why learning how to turn off light icon in Unreal Engine becomes crucial for maintaining a clean and responsive workflow.

## Step-by-Step: How to Turn Off Light Icons Using Editor Preferences

The most reliable way to manage light icons is through Unreal Engine’s global preferences. This method affects all lights in your current session and persists across levels.

### Open Editor Preferences

1. Launch Unreal Engine and open any level.
2. Go to the top menu bar and click **Edit** > **Editor Preferences**. This opens the full preference window.

### Navigate to Visual Settings

Within the Editor Preferences panel:
– In the left-hand sidebar, expand **General**.
– Under General, select **Visual**.

This section controls what gets displayed in your viewport, including light icons.

### Disable Light Icons

Under the **Visual** settings, look for **Show Light Icons**. You’ll find options like:
– **All Lights**
– **Selected Only**
– **None**

To completely hide all light icons, choose **None** from the dropdown.

Once selected, the change takes effect immediately in your viewport. No restart is needed.

## How to Toggle Light Icons Per Light Type

Sometimes you may want to keep certain types of light icons visible while hiding others. Unreal Engine allows granular control over directional, point, and spot lights individually.

### Select a Light Actor

1. Click on any light actor (e.g., a Point Light) in your level to select it.
2. With the light selected, go to the **Details** panel on the right side.

### Find Light Icon Visibility

In the Details panel:
– Expand the **Rendering** category.
– Look for **bVisible** under **Icon**.

Check or uncheck **bVisible** to show or hide the icon for that specific light.

Repeat this process for other lights as needed.

> 💡 Tip: Use Shift + Left-click to select multiple lights at once, then adjust bVisible in bulk.

## Using Viewport Options Menu to Hide Light Icons Temporarily

If you don’t want to change permanent settings, you can use the viewport toolbar for quick toggling.

### Access the Viewport Menu

At the bottom-left of your viewport, click the **Viewport Options** button (looks like three horizontal lines).

### Choose Lighting Display Mode

From the dropdown menu:
– Select **Lighting Only** to hide geometry and focus on lights.
– Or pick **Lighting & Geometry** to keep everything visible.

While this doesn’t directly toggle icons, switching to **Lighting Only** mode often makes icons less distracting.

Alternatively, press **Ctrl + Shift + L** to cycle through lighting display modes.

## Hotkey Shortcuts to Toggle Light Icons

Speed is key in game development. Fortunately, Unreal Engine supports keyboard shortcuts to toggle light icons instantly.

### Default Shortcut: Alt + L

Press **Alt + L** while in the main viewport. This cycles through:
– Show All Light Icons
– Show Selected Light Icons Only
– Hide All Light Icons

This shortcut works in both Perspective and Orthographic views.

> ⚠️ Note: Make sure your viewport has focus. Click inside it before pressing the keys.

You can also customize this shortcut:
– Go to **Edit** > **Editor Preferences** > **Keyboard & Mouse**.
– Search for “Toggle Light Icons” and assign a new keybind.

## Managing Light Icons in Blueprint Scripts

Even if you’re building lights dynamically via Blueprints, their icons still appear unless explicitly hidden.

### Disable Icon in Blueprint

1. Create or open a Blueprint class that spawns lights (e.g., a PlayerController).
2. In the Event Graph, add a **Spawn Actor from Class** node.
3. Set the class to **PointLight** or another light type.
4. Connect the output to a **Set Visible** node.
5. Set **bVisible** to **False**.

This ensures the spawned light won’t render its icon in the viewport.

> Example: When your player enters a room, spawn a spotlight that guides them—but keep its icon hidden so it doesn’t distract.

## Troubleshooting Common Issues

Despite following steps correctly, you might still see light icons. Here’s how to fix common problems.

### Icons Still Visible After Disabling

– **Cause**: You changed settings for one level only. Try resetting preferences via **Edit** > **Reset to Default Settings**.
– **Solution**: Reopen the level after resetting.

### Icons Return After Restart

– **Cause**: Preferences weren’t saved properly.
– **Solution**: Ensure you clicked **Apply** or **OK** after changing settings.

### Hotkey Doesn’t Work

– **Cause**: Conflicting input bindings.
– **Solution**: Check **Keyboard & Mouse** settings and remove duplicates.

### Blueprint Lights Still Show Icons

– **Cause**: The **bVisible** flag wasn’t set to false during spawn.
– **Solution**: Double-check your Blueprint logic.

## Best Practices for Managing Light Icons

To maintain a clean and efficient workflow, consider these tips:

– **Disable icons during early prototyping** to speed up iteration.
– **Re-enable them temporarily** when fine-tuning light placement.
– **Use layers or folders** to organize lights, making selection easier.
– **Document your preferences** so team members follow the same setup.

Also remember: turning off light icons doesn’t affect baked lighting or final builds. It’s purely an editor convenience feature.

## Performance Impact of Light Icons

Let’s talk numbers. A scene with 50 dynamic point lights can generate up to 50 separate draw calls just for icons—even though they’re simple billboard sprites. On lower-end machines, this adds noticeable lag.

By disabling icons, you reduce GPU load and increase frame rate during navigation. This is especially important when working with large outdoor environments or VR projects where smoothness is critical.

According to Epic Games’ documentation, minimizing unnecessary viewport elements is part of best practices for scalable project performance.

## When Should You Keep Light Icons On?

There are times when keeping icons visible is beneficial:

– During initial level layout
– When collaborating with artists who rely on visual cues
– In tutorial or training environments
– When debugging shadow artifacts or light bleed

So instead of always turning them off, treat it as a toggle based on context.

## Advanced: Customizing Icon Appearance

While you can’t fully remove icons through code, you can tweak their appearance:

– Change color via **Light Color** property
– Adjust size using **Light Brightness** (brighter = larger icon)
– Use **Attenuation Radius** to influence how far the icon extends

These tweaks let you make icons more subtle without removing them entirely.

## Conclusion

Learning how to turn off light icon in Unreal Engine is a small change that delivers big results. Whether you use editor preferences, hotkeys, or Blueprint logic, you now have multiple ways to declutter your viewport and improve performance. Remember: icons are tools, not requirements. Use them wisely, and hide them when they get in the way.

With this guide, you’re equipped to streamline your workflow, whether you’re designing interiors, building vast worlds, or scripting interactive experiences. Next time your scene feels sluggish or visually noisy, revisit these steps—and reclaim control over your creative space.

Happy developing!