GIMP

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GIMP's mascot, Wilber

GIMP GIMP (GNU Image Manipulation Program) is a free and open source image editor. Download it from gimp.org, or from the Microsoft Store for Windows Windows systems.

Icon-Bug.pngBug:If you find that GIMP keeps scanning for fonts whenever it starts, download fontconfig 2.4.2 and extract to C:\Program Files\GIMP-2.0\.  [todo tested in ?]

Usage with Source

VTF support

Gimp vtf opt.png

Download the GIMP VTF plug-in here. It allows you to specify a layer as the alpha channel of the output, bypassing the issue below.

Usage with GoldSrc

Warning.pngWarning:GIMP tends to mess up colors of 8-bit images, tinting the image slightly green, adding red pixels, and messing up the color of transparency. It is highly recommended to do any editing in full 24-bit color instead, and use IrfanView, WadMaker, or even Wally for converting the textures to 8-bit.

Export settings

See also