In certain printing methods, it may be required to utilize a filter on uploaded images (such as PNG or JPEG), such as the Grayscale filter.
You can do that in the main settings > Element Properties > Custom Images:

Important: FPD Support Update
As of March 1, 2025, direct support for Fancy Product Designer has been discontinued. Only customers with an active support license will continue to receive assistance. Our team is now fully dedicated to Chamevo, the next-generation product customization platform built on the foundations of FPD. For help, use the chatbot available on fancyproductdesigner.com or chamevo.com.
In certain printing methods, it may be required to utilize a filter on uploaded images (such as PNG or JPEG), such as the Grayscale filter.
You can do that in the main settings > Element Properties > Custom Images:
