Convert nef to flif Online: nef2flif
You can use Tom's Editor to easily convert images from
Nikon Digital SLR Camera Raw Image File .NEF to Free Lossless Image Format .FLIF.
Tom's Editor is a free, online image manipulation and converter program.
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Nikon Digital SLR Camera Raw Image File is an image format with extension NEF.
Free Lossless Image Format is an image format with extension FLIF.