How to import file types: ans, skt (sat), lod, and .Img Un

Development Character & Animation
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Note: System forced me to place 4-27 even though this is for UE5

So I have some assets that I would like to import into UE5. They are:

.ans (animation)
.skt/.sat (skeleton)
.lod (Level of detail)
.Img (LOD Skeleton Template)

I do not think that UE5 can import these directly but what application can I use to convert it into a fbx file to import into UE5. I feel that this is a pretty noob question but I am just getting into using the UE.