Convert mgr to flif Online: mgr2flif
You can use Tom's Editor to easily convert images from
MGR Window Manager bitmap .MGR to Free Lossless Image Format .FLIF.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
MGR Window Manager bitmap is an image format with extension MGR.
Free Lossless Image Format is an image format with extension FLIF.