Convert flif to mgr Online: flif2mgr
You can use Tom's Editor to easily convert images from
Free Lossless Image Format .FLIF to MGR Window Manager bitmap .MGR.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Free Lossless Image Format is an image format with extension FLIF.
MGR Window Manager bitmap is an image format with extension MGR.