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Knowledge Base
FS25 Modding

File Converters

Every modder needs some file converters. Here’s a list of converters for working with files for Farming Simulator mods.

PNG To DDS (.png .dds)

** needs user registration at GDN to access downloads.

Program NameFeaturesDownload Link
DDS Converter 1.4 by u7angelCan convert a whole folder of files to the following DDS formats:
* DXT1 (BC1)
* RGBA
* DXT1 (BC1) Normal Map
* DXT1 (BC1) Binary Alpha
* DXT3 (BC2)
* DXT5 (BC3)
* DXT5 (BC) Normal Map
Additional options for each conversation is: MipMaps, Alpha, Normal, toNormalMap, Resize Pow2 (power of two), Fast, No CUDA.
Download ZIP File
GIANTS Texture Tool v9.0.1**The main file converter to convert to .DDS files. This tool is using templates (.gim) that can be modified in NotePad++. A PNG file must be drag and dropped above the textureTool.exe icon to start the conversation. Please read the readme.txt for details.Download ZIP File
Paint.NET (BC1 only)Other BC/DXT formats from Paint.NET seems to not be accepted by GIANTS Editor, but BC1/DXT1 works for _diffuse maps (ex: myTexture_diffuse.dds). Paint.NET is a easy-to-use image/texture editor for creative 2D work.Download Software (free/donation)

Normal And Specular Maps (_specular, _normal)

Program NameFeaturesDownload Link
Materialize by Bounding Box SoftwareThis is a open source program for generating texture maps from images, in JPG, PNG etc., starting with a diffuse map, then create a height map, then a normal map…and so on. There are different options for each texture map that is represented as sliders or presets. Remember to save to .png. Download Software
BlenderBlender can be used with several types of add-ons/extensions (paid/free) to bake out textures to save these to texture files. There are several tutorials at YouTube for doing so.
I suggest that you learn all of the Blender basics first, especially about anything that has to do with setting up and using materials in Blender.
Get Blender here

GRLE And GDM (.grle .gdm)

These files are especially something map modders will have to modify for larger Farming Simulator maps of a size more than 2 x 2 kilometers. These files can be converted back to PNG.

Program NameFeaturesDownload Link
GIANTS GRLE Converter v7.0.1**Mainly another “drag and drop” file converter by GIANTS Software, where convert.cmd is the converter and grleConverter.exe is only to display information related to the .gdm/.grle file.

To convert PNGs to GRLE/GDM, read more here
Download ZIP File