Keep your Unreal Engine projects clean, efficient, and easy to manage with the free Project Cleaner plugin. In this tutorial, you’ll learn how to install and use the tool from the Fab Marketplace to scan your projects, detect unused or corrupted assets, and safely remove clutter. You’ll see how to exclude important folders, handle external files, and protect your work with version control or backups. By the end, you’ll have a lighter, more organized project that saves time and improves workflow—whether you’re creating a game, cinematic, or archviz scene.
https://dev.epicgames.com/community/learning/tutorials/8XxW/fab-how-to-clean-up-your-unreal-engine-projects-project-cleaner