GIMP Brush

GIMP Brush, or GIMP Basic Brush, is one of the formats used by the GIMP image editor to store a brush or texture. It is effectively a raster image format.

Identifiers
The usual filename extension, at least for current versions of GIMP, is .gbr. Some sources also list .gpb.

Identification
The ASCII characters " " appear at offset 20.

Specifications

 * The GIMP Paintbrush File Format Version 2

Software

 * GIMP
 * Konvertor
 * XnView
 * Tom's Editor

Sample files

 * https://telparia.com/fileFormatSamples/image/gimpBrush/