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Drop one EXR or two hundred. Batch conversion is not a paid feature here.
A 3D render or a VFX plate is an EXR and needs to be shown to someone whose software only reads ordinary images.
EXR stores linear, high dynamic range floating point values that can go far above and below the displayable range. Converting means picking an exposure and a tone curve, then quantising to 8 bits per channel.
This conversion throws away the entire reason EXR exists. Values above white are clipped permanently, so the highlight detail a compositor was relying on is gone. Keep the EXR as the master and treat the PNG strictly as a preview.
It is linear light, not display-referred. Without a gamma or tone curve applied it will look wrong on a normal screen.
EXR files often carry depth, normals and object IDs in additional channels. PNG has nowhere to store them, so only RGB and alpha survive.
Drop one EXR or two hundred. Batch conversion is not a paid feature here.
Portable Network Graphics is lossless, so nothing is thrown away in the conversion.
Converted and deleted the moment it finishes. Never written to permanent storage.