Convert exr to flif Online: exr2flif

You can use Tom's Editor to easily convert images from
High dynamic-range (HDR) file format .EXR to Free Lossless Image Format .FLIF.
Tom's Editor is a free, online image manipulation and converter program.

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EXR

High dynamic-range (HDR) file format is an image format with extension EXR.

FLIF

Free Lossless Image Format is an image format with extension FLIF.