Web UI (HTML + JavaScript Interface)

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Create a web-based user interface with blueprints.

  • Supported Platforms
  • Supported Engine Versions


The WebUI plugin allows developers to create rich web-based user interfaces using the Chromium Embedded Framework. It's powered by the native UnrealCEFSubProcess built into UE4 and includes support for Windows, Mac, and Linux. This plugin also has a robust JSON library that provides integrated management of objects, arrays, and primitive data types. It comes with an example project that demonstrates a startup map with a volume slider and FPS counter.

Technical Details


  • Create web-based user interfaces with blueprints
  • Powered by the native UnrealCEFSubProcess built into UE4
  • Cross-platform support for Windows, Mac, and Linux

Code Modules:

  • WebUI (Runtime)

Number of Blueprints: 0

Number of C++ Classes: 5

Network Replicated: No

Supported Development Platforms: Win64, Mac, Linux

Supported Target Build Platforms: Win64, Win32, Mac, Linux

Documentation: http://cdn.tracerinteractive.com/webui/documentation.pdf

Example Project: http://cdn.tracerinteractive.com/webui/example.zip

Important/Additional Notes: This plugin has no third-party dependencies because it uses the native UnrealCEFSubProcess built into the engine. It includes multiplayer support by removing the CEF in dedicated server builds without changing any blueprint classes. There's also integrated management of JSON objects using native blueprint maps/sets (4.17+). The documentation provides instructions for altering the FPS of the browser instance as well.



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