Before turning to third-party tools, ensure you are utilizing SketchUp’s native cleanup utilities:

Start by leveraging the powerful like Universal Importer, PixelDiet, and CleanUp³ —there is no risk in trying software that is legally and ethically sound. If you find that Skimp's unique real-time workflow is what you need, take advantage of their free trial . After testing and confirming its value, a purchase is a sound investment in your own productivity and security. By choosing legal and safe tools, you can optimize your models, protect your work, and build a more reliable and professional design practice.

Instead of searching for a crack, download the official 5-day trial. Use those five days to optimize as many models as you can—process files, build your library, and learn the workflow. Even a few hours of concentrated use can make a huge difference in your current projects.

Installing the Skimp plugin is a straightforward process:

I can provide a step-by-step guide on how to optimize your specific assets for free. Share public link