Convert dis to flif Online: dis2flif
You can use Tom's Editor to easily convert images from
DKB Trace / Qrt raytrace .DIS to Free Lossless Image Format .FLIF.
Tom's Editor is a free, online image manipulation and converter program.
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DKB Trace / Qrt raytrace is an image format with extension DIS.
Free Lossless Image Format is an image format with extension FLIF.