Convert dgu to flif Online: dgu2flif
You can use Tom's Editor to easily convert images from
DuneGraph .DGU to Free Lossless Image Format .FLIF.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
DuneGraph is an image format with extension DGU.
Free Lossless Image Format is an image format with extension FLIF.