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.

Go to Tom's Editor

DIS

DKB Trace / Qrt raytrace is an image format with extension DIS.

FLIF

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