Convert flif to hgr Online: flif2hgr
You can use Tom's Editor to easily convert images from
Free Lossless Image Format .FLIF to High Resolution .HGR.
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.
High Resolution is an image format with extension HGR.