The JSON Tree Viewer is a lightweight Unreal Engine plugin that brings JSON data to life with a collapsible tree view. Simply feed it a JSON string or file path, and it will parse and render your data hierarchically in-editor or at runtime.

Features:

Easy integration as a UWidget or Blueprint component
Customizable styling: control colors for keys, values, nulls, and special “@” properties, along with padding and font settings
Dynamic parsing: supports all JSON types (objects, arrays, strings, numbers, booleans, null)
Blueprint-friendly API: expose file loading and tree initialization calls directly in Blueprints

The source code is available here for those who wish to review or utilize specific components: JSON Tree Viewer Demo

Code Modules:

JsonTreeViewer [Editor]

Number of Blueprints: 0

Number of C++ Classes: 2

Network Replicated: No

Supported Development Platforms:

Windows: Yes
Mac: Yes

Supported Target Build Platforms: Windows, Mac, PS4, iOS, Android, Xbox One, Oculus, Linux, HTML5, Win32, HoloLens 2

Documentation Link: https://github.com/rohan-singh1/JsonTreeViewerDemo/blob/main/README.md

Example Project: https://github.com/rohan-singh1/JsonTreeViewerDemo

Important/Additional Notes:

Rohan Singh

Rohan Singh

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