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

MGR Window Manager bitmap is an image format with extension MGR.

FLIF

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