Convert hgr to flif Online: hgr2flif

You can use Tom's Editor to easily convert images from
High Resolution .HGR to Free Lossless Image Format .FLIF.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

HGR

High Resolution is an image format with extension HGR.

FLIF

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