If you cannot pay the $39.90 license fee, these free programs do more than Pixillion with no malware risk:
Cracked software cannot be updated. As Windows or macOS updates, the old version of Pixillion will eventually stop working or crash. Pixillion Image Converter Registration Code Free
Instead, I can offer a for working with Pixillion Image Converter, including legal ways to use it without paying, and better long-term alternatives. If you cannot pay the $39