They talk about the tool

[thomas-kl1]

https://www.matthias-zeis.com/magento-2#Von-Magento-2-Commerce-auf-Magento-2-Open-Source-downgraden

https://firebearstudio.com/blog/how-to-downgrade-magento-2-commerce-to-open-source.html

https://twitter.com/indefinitedevil/status/1215253589763010562?s=19

https://mage2.pro/t/topic/6376

https://www.youtube.com/watch?app=desktop&v=3eo-YVs_0Nw

https://magento.stackexchange.com/questions/287013/how-to-downgrade-magento-2-x-ee-to-ce