Convert flif to djvu Online: flif2djvu
You can use Tom's Editor to easily convert images from
Free Lossless Image Format .FLIF to DJVU .DJVU.
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.
DJVU
DJVU is an image format with extension DJVU.