Here are the amazing mod developers working on converters that made it work!
Ck3 to Eu4 https://steamcommunity.com/sharedfiles/filedetails/?id=2241203093
Eu4 To Vic2 https://steamcommunity.com/sharedfiles/filedetails/?id=392447667
Vic2 To Hoi4 https://steamcommunity.com/sharedfiles/filedetails/?id=733122837
You can find more from iSorrowproductions HERE:
MERCH: https://isorrowproductions.com/
Discord: https://www.discord.gg/isp
Twitter: https://twitter.com/ispuuuv
Instagram @uuuvstuff