Convert png to exr Online: png2exr
You can use Tom's Editor to easily convert images from
Portable Network Graphics .PNG to High dynamic-range (HDR) file format .EXR.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Portable Network Graphics is an image format with extension PNG.
High dynamic-range (HDR) file format is an image format with extension EXR.