(I tried to post this on the main content, but it got removed. Was it the wrong category? Sorry, new poster)
Found a converter for Flat 2D Media To 3D/VR SBS
iw3 by nagadomi (Same creator of waifu2x, that's used for image/video upscaling)
They have visual artifacts, but are pretty impressive.
(Some use H265. If video stream is blank, then download first)
-