Python scripting—you can write custom scripts to automate the extraction of 1,000 files. 6. FModel Best for: Epic Games / Fortnite style assets (Unity specific fork)

Razix is a newer commercial tool that acts as a hybrid file explorer. It supports Unity’s new (Data-Oriented Technology Stack) and ECS files, which older viewers cannot parse.

Click File -> Load File (for a single asset) or Load Folder (to scan everything).

This is an online web-based tool. You drag your .unity3d file into a browser window, and it renders the assets via WebGL.