Unreal Editor for Fortnite (UEFN) gives you industry-leading tools and access to a large, thriving community of players eager to try out your creations. In order to make your experiences available on all Fortnite-supported platforms, memory and project size limits were put in place.
Whether you’re trying to optimize your island to improve memory usage, enhance your island’s performance, or get more assets into your project without hitting the size limit, this section contains helpful tips and tricks to guide you in the right direction.
Check out Import Content and Islands section for more information on configuration and memory considerations when getting an asset ready for import.
In This Section:
Fortnite-Ready Assets Best Practices
Learn the how to make assets that will work well when creating islands for publishing in Fortnite.
Upgrading Legacy Lighting in Multi-Level Projects
Upgrade out-of-date world lighting in multi-level projects.
Editing Components
Optimize your project by using the Property Matrix to edit the components of a Blueprint or multiple Blueprints.
Material Functions
Learn how to use material functions to create materials that perform well on low-end platforms.
Memory Management
Tips to optimize memory usage when building your island.
Textures Best Practices
Learn how to improve performance by optimizing and resizing your textures.
Level of Detail (LOD) Best Practices
Learn about level of detail settings for your custom assets in Fortnite.
Spatial Profiler
Use the spatial profiler to gather metrics on your UEFN islands.
Streaming and HLODs
The not-so-secret recipe to building larger islands than ever before.
Validation and Fix-Up Tool
Run your projects through the UEFN validation process to fix the things that need fixing!
Memory Snapshot
Use the Memory Snapshot to analyze asset memory usage and identify high-memory assets on your UEFN islands.
Reducing Draw Calls
Learn why it’s important to limit the number of draw calls in your projects, and how to do it.
Simplify Static Meshes
Learn how to simplify your static meshes to avoid validation errors.
UEFN Session Inspector
Debugging tool that provides greater visibility in launching sessions and live editing.
