Convert flif to cdu Online: flif2cdu

You can use Tom's Editor to easily convert images from
Free Lossless Image Format .FLIF to CDU-Paint .CDU.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

FLIF

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

CDU

CDU-Paint is an image format with extension CDU.