Convert gbr to flif Online: gbr2flif

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

Go to Tom's Editor

GBR

GBR are images that can be used as brushes in GIMP image editor.

FLIF

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