Convert gbr to bmp Online: gbr2bmp

You can use Tom's Editor to easily convert images from
GIMP Brush .GBR to Microsoft Windows bitmap .BMP.
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.

BMP

Format created by Microsoft for their Windows and OS/2 operating systems. Images can be compressed or not.